20131232323232 has 48 divisors (see below), whose sum is σ = 43065115027200. Its totient is φ = 9228238917120.

The previous prime is 20131232323229. The next prime is 20131232323259. The reversal of 20131232323232 is 23232323213102.

20131232323232 is a modest number, since divided by 32323232 gives 201312 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20131232323195 and 20131232323204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534022757 + ... + 534060452.

It is an arithmetic number, because the mean of its divisors is an integer number (897189896400).

Almost surely, 2^{20131232323232} is an apocalyptic number.

It is an amenable number.

20131232323232 is an abundant number, since it is smaller than the sum of its proper divisors (22933882703968).

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

20131232323232 is a wasteful number, since it uses less digits than its factorization.

20131232323232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068083269 (or 1068083261 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 20131232323232 its reverse (23232323213102), we get a palindrome (43363555536334).

The spelling of 20131232323232 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirty-two million, three hundred twenty-three thousand, two hundred thirty-two".