220131323331000 has 64 divisors (see below), whose sum is σ = 686809728802080. Its totient is φ = 58701686220800.

The previous prime is 220131323330999. The next prime is 220131323331041. The reversal of 220131323331000 is 133323131022.

It is a super-2 number, since 2×220131323331000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36688550889 + ... + 36688556888.

Almost surely, 2^{220131323331000} is an apocalyptic number.

220131323331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220131323331000 is an abundant number, since it is smaller than the sum of its proper divisors (466678405471080).

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

220131323331000 is a wasteful number, since it uses less digits than its factorization.

220131323331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73377107801 (or 73377107787 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 220131323331000 its reverse (133323131022), we get a palindrome (220264646462022).

The spelling of 220131323331000 in words is "two hundred twenty trillion, one hundred thirty-one billion, three hundred twenty-three million, three hundred thirty-one thousand".