20023102310232 has 64 divisors (see below), whose sum is σ = 57223621566720. Its totient is φ = 5719410592128.

The previous prime is 20023102310213. The next prime is 20023102310261. The reversal of 20023102310232 is 23201320132002.

It is a happy number.

It is a super-2 number, since 2×20023102310232² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20023102310199 and 20023102310208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14719458 + ... + 16022129.

It is an arithmetic number, because the mean of its divisors is an integer number (894119086980).

Almost surely, 2^{20023102310232} is an apocalyptic number.

It is an amenable number.

20023102310232 is an abundant number, since it is smaller than the sum of its proper divisors (37200519256488).

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

20023102310232 is a wasteful number, since it uses less digits than its factorization.

20023102310232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30745480 (or 30745476 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20023102310232 its reverse (23201320132002), we get a palindrome (43224422442234).

The spelling of 20023102310232 in words is "twenty trillion, twenty-three billion, one hundred two million, three hundred ten thousand, two hundred thirty-two".