20113022232 has 48 divisors (see below), whose sum is σ = 54586584000. Its totient is φ = 6690332736.

The previous prime is 20113022219. The next prime is 20113022233. The reversal of 20113022232 is 23222031102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113022233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257107 + ... + 326082.

It is an arithmetic number, because the mean of its divisors is an integer number (1137220500).

Almost surely, 2^20113022232 is an apocalyptic number.

It is an amenable number.

20113022232 is an abundant number, since it is smaller than the sum of its proper divisors (34473561768).

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

20113022232 is a wasteful number, since it uses less digits than its factorization.

20113022232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583680 (or 583673 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20113022232 its reverse (23222031102), we get a palindrome (43335053334).

The spelling of 20113022232 in words is "twenty billion, one hundred thirteen million, twenty-two thousand, two hundred thirty-two".