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20600505214160 = 2451012549567477
BaseRepresentation
bin1001010111100011011011…
…10010111010010011010000
32200221101111121222002200112
410223301231302322103100
510200004313313323120
6111451424052540452
74224223503101324
oct453615562722320
980841447862615
1020600505214160
1166226971594a3
122388623621728
13b65808800721
145130d9653984
1525acee24bbc5
hex12bc6dcba4d0

20600505214160 has 40 divisors (see below), whose sum is σ = 48370394192616. Its totient is φ = 8158615923200.

The previous prime is 20600505214117. The next prime is 20600505214193. The reversal of 20600505214160 is 6141250500602.

It can be written as a sum of positive squares in 4 ways, for example, as 1463345057344 + 19137160156816 = 1209688^2 + 4374604^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274775659 + ... + 1274791818.

Almost surely, 220600505214160 is an apocalyptic number.

20600505214160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20600505214160 is an abundant number, since it is smaller than the sum of its proper divisors (27769888978456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20600505214160 is a wasteful number, since it uses less digits than its factorization.

20600505214160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549567591 (or 2549567585 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 20600505214160 its reverse (6141250500602), we get a palindrome (26741755714762).

The spelling of 20600505214160 in words is "twenty trillion, six hundred billion, five hundred five million, two hundred fourteen thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101 202 404 505 808 1010 1616 2020 4040 8080 2549567477 5099134954 10198269908 12747837385 20396539816 25495674770 40793079632 50991349540 101982699080 203965398160 257506315177 515012630354 1030025260708 1287531575885 2060050521416 2575063151770 4120101042832 5150126303540 10300252607080 20600505214160