20331131322200 has 48 divisors (see below), whose sum is σ = 49325092523280. Its totient is φ = 7778867634560.

The previous prime is 20331131322193. The next prime is 20331131322217. The reversal of 20331131322200 is 222313113302.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2209900979 + ... + 2209910178.

It is an arithmetic number, because the mean of its divisors is an integer number (1027606094235).

Almost surely, 2^{20331131322200} is an apocalyptic number.

20331131322200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331131322200 is an abundant number, since it is smaller than the sum of its proper divisors (28993961201080).

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

20331131322200 is a wasteful number, since it uses less digits than its factorization.

20331131322200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419811196 (or 4419811187 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20331131322200 its reverse (222313113302), we get a palindrome (20553444435502).

The spelling of 20331131322200 in words is "twenty trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred twenty-two thousand, two hundred".