220001320131000 has 256 divisors, whose sum is σ = 733314703680000. Its totient is φ = 54749738419200.

The previous prime is 220001320130951. The next prime is 220001320131017. The reversal of 220001320131000 is 131023100022.

It is a super-2 number, since 2×220001320131000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24984525 + ... + 32622524.

It is an arithmetic number, because the mean of its divisors is an integer number (2864510561250).

Almost surely, 2^{220001320131000} is an apocalyptic number.

220001320131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220001320131000 is an abundant number, since it is smaller than the sum of its proper divisors (513313383549000).

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

220001320131000 is a wasteful number, since it uses less digits than its factorization.

220001320131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57607159 (or 57607145 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 220001320131000 its reverse (131023100022), we get a palindrome (220132343231022).

The spelling of 220001320131000 in words is "two hundred twenty trillion, one billion, three hundred twenty million, one hundred thirty-one thousand".