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20010112100022 = 23111923292824951
BaseRepresentation
bin1001000110010111101111…
…00111111010011010110110
32121211221121010011102002210
410203023313213322122312
510110321202144200042
6110320304003314250
74133453142323022
oct443136747723266
977757533142083
1020010112100022
1164152716884a0
1222b211607b986
13b21c3a290385
144d26cd241382
1524a7979d8a9c
hex1232f79fa6b6

20010112100022 has 192 divisors, whose sum is σ = 49665014231040. Its totient is φ = 5305286448000.

The previous prime is 20010112100009. The next prime is 20010112100029. The reversal of 20010112100022 is 22000121101002.

It is a junction number, because it is equal to n+sod(n) for n = 20010112099980 and 20010112100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010112100029) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23843647 + ... + 24668597.

It is an arithmetic number, because the mean of its divisors is an integer number (258671949120).

Almost surely, 220010112100022 is an apocalyptic number.

20010112100022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010112100022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24832507115520).

20010112100022 is an abundant number, since it is smaller than the sum of its proper divisors (29654902131018).

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

20010112100022 is a wasteful number, since it uses less digits than its factorization.

20010112100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825067 (or 825038 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20010112100022 its reverse (22000121101002), we get a palindrome (42010233201024).

The spelling of 20010112100022 in words is "twenty trillion, ten billion, one hundred twelve million, one hundred thousand, twenty-two".