220076935981 has 16 divisors (see below), whose sum is σ = 255961699200. Its totient is φ = 185308028928.

The previous prime is 220076935973. The next prime is 220076935999. The reversal of 220076935981 is 189539670022.

It is a cyclic number.

It is not a de Polignac number, because 220076935981 - 2³ = 220076935973 is a prime.

It is a super-2 number, since 2×220076935981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220076935961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392821 + ... + 771013.

It is an arithmetic number, because the mean of its divisors is an integer number (15997606200).

Almost surely, 2^220076935981 is an apocalyptic number.

It is an amenable number.

220076935981 is a deficient number, since it is larger than the sum of its proper divisors (35884763219).

220076935981 is a wasteful number, since it uses less digits than its factorization.

220076935981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379668.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 220076935981 in words is "two hundred twenty billion, seventy-six million, nine hundred thirty-five thousand, nine hundred eighty-one".