220862842868 has 12 divisors (see below), whose sum is σ = 388452237600. Its totient is φ = 109876489272.

The previous prime is 220862842799. The next prime is 220862842897. The reversal of 220862842868 is 868248268022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138732146 + ... + 138733737.

It is an arithmetic number, because the mean of its divisors is an integer number (32371019800).

Almost surely, 2^220862842868 is an apocalyptic number.

It is an amenable number.

220862842868 is a deficient number, since it is larger than the sum of its proper divisors (167589394732).

220862842868 is a wasteful number, since it uses less digits than its factorization.

220862842868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277466086 (or 277466084 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 56.

The spelling of 220862842868 in words is "two hundred twenty billion, eight hundred sixty-two million, eight hundred forty-two thousand, eight hundred sixty-eight".