220687988260038 has 16 divisors (see below), whose sum is σ = 475327974714096. Its totient is φ = 67903996387680.

The previous prime is 220687988259997. The next prime is 220687988260043. The reversal of 220687988260038 is 830062889786022.

It is a super-2 number, since 2×220687988260038² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414666591333 + ... + 1414666591488.

It is an arithmetic number, because the mean of its divisors is an integer number (29707998419631).

Almost surely, 2^{220687988260038} is an apocalyptic number.

220687988260038 is an abundant number, since it is smaller than the sum of its proper divisors (254639986454058).

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

220687988260038 is a wasteful number, since it uses less digits than its factorization.

220687988260038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829333182839.

The product of its (nonzero) digits is 222953472, while the sum is 69.

The spelling of 220687988260038 in words is "two hundred twenty trillion, six hundred eighty-seven billion, nine hundred eighty-eight million, two hundred sixty thousand, thirty-eight".