20113133123232 has 60 divisors (see below), whose sum is σ = 59152165824906. Its totient is φ = 6704377706880.

The previous prime is 20113133123201. The next prime is 20113133123309. The reversal of 20113133123232 is 23232133131102.

20113133123232 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 3 + 1 + 331 + 2 + 323 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13711646149776 + 6401486973456 = 3702924^2 + 2530116^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20113133123196 and 20113133123205.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3879845619 + ... + 3879850802.

Almost surely, 2^{20113133123232} is an apocalyptic number.

It is an amenable number.

20113133123232 is an abundant number, since it is smaller than the sum of its proper divisors (39039032701674).

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

20113133123232 is an equidigital number, since it uses as much as digits as its factorization.

20113133123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759696443 (or 7759696426 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 20113133123232 its reverse (23232133131102), we get a palindrome (43345266254334).

The spelling of 20113133123232 in words is "twenty trillion, one hundred thirteen billion, one hundred thirty-three million, one hundred twenty-three thousand, two hundred thirty-two".