20031132223200 has 288 divisors, whose sum is σ = 76036545849600. Its totient is φ = 4578544320000.

The previous prime is 20031132223183. The next prime is 20031132223213. The reversal of 20031132223200 is 232223113002.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11343426 + ... + 12989825.

It is an arithmetic number, because the mean of its divisors is an integer number (264015784200).

Almost surely, 2^{20031132223200} is an apocalyptic number.

20031132223200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20031132223200 is an abundant number, since it is smaller than the sum of its proper divisors (56005413626400).

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

20031132223200 is a wasteful number, since it uses less digits than its factorization.

20031132223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24333295 (or 24333268 counting only the distinct ones).

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

Adding to 20031132223200 its reverse (232223113002), we get a palindrome (20263355336202).

The spelling of 20031132223200 in words is "twenty trillion, thirty-one billion, one hundred thirty-two million, two hundred twenty-three thousand, two hundred".