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20021022003101 = 717542773099727
BaseRepresentation
bin1001000110101100000011…
…11001111000111110011101
32121212222202110001220121012
410203112001321320332131
510111011023113044401
6110325310332345005
74134320406060440
oct443260171707635
977788673056535
1020021022003101
11641995aa79119
1222b425b915165
13b22c88630922
144d304617b657
1524abd56cc8bb
hex123581e78f9d

20021022003101 has 16 divisors (see below), whose sum is σ = 24227573239296. Its totient is φ = 16151109924096.

The previous prime is 20021022003091. The next prime is 20021022003107. The reversal of 20021022003101 is 10130022012002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-20021022003101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021022003107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4909100 + ... + 8008826.

It is an arithmetic number, because the mean of its divisors is an integer number (1514223327456).

Almost surely, 220021022003101 is an apocalyptic number.

It is an amenable number.

20021022003101 is a deficient number, since it is larger than the sum of its proper divisors (4206551236195).

20021022003101 is a wasteful number, since it uses less digits than its factorization.

20021022003101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154028.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20021022003101 its reverse (10130022012002), we get a palindrome (30151044015103).

The spelling of 20021022003101 in words is "twenty trillion, twenty-one billion, twenty-two million, three thousand, one hundred one".

Divisors: 1 7 17 119 54277 379939 922709 3099727 6458963 21698089 52695359 368867513 168243882379 1177707176653 2860146000443 20021022003101