20003232112 has 40 divisors (see below), whose sum is σ = 41745899520. Its totient is φ = 9258152640.

The previous prime is 20003232097. The next prime is 20003232127. The reversal of 20003232112 is 21123230002.

It is an interprime number because it is at equal distance from previous prime (20003232097) and next prime (20003232127).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865312 + ... + 888127.

It is an arithmetic number, because the mean of its divisors is an integer number (1043647488).

Almost surely, 2^20003232112 is an apocalyptic number.

It is an amenable number.

20003232112 is an abundant number, since it is smaller than the sum of its proper divisors (21742667408).

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

20003232112 is a wasteful number, since it uses less digits than its factorization.

20003232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753501 (or 1753495 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20003232112 its reverse (21123230002), we get a palindrome (41126462114).

The spelling of 20003232112 in words is "twenty billion, three million, two hundred thirty-two thousand, one hundred twelve".