220550500205631 has 40 divisors (see below), whose sum is σ = 331142631884064. Its totient is φ = 146284698047040.

The previous prime is 220550500205551. The next prime is 220550500205641. The reversal of 220550500205631 is 136502005055022.

220550500205631 is a `hidden beast` number, since 2 + 2 + 0 + 5 + 50 + 500 + 20 + 56 + 31 = 666.

It is not a de Polignac number, because 220550500205631 - 2³⁵ = 220516140467263 is a prime.

It is a super-2 number, since 2×220550500205631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220550500205641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1383280486 + ... + 1383439916.

Almost surely, 2^{220550500205631} is an apocalyptic number.

220550500205631 is a deficient number, since it is larger than the sum of its proper divisors (110592131678433).

220550500205631 is a wasteful number, since it uses less digits than its factorization.

220550500205631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246333 (or 246324 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 220550500205631 in words is "two hundred twenty trillion, five hundred fifty billion, five hundred million, two hundred five thousand, six hundred thirty-one".