220847663862 has 64 divisors (see below), whose sum is σ = 571465704960. Its totient is φ = 61908773472.

The previous prime is 220847663857. The next prime is 220847663903. The reversal of 220847663862 is 268366748022.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 220847663799 and 220847663808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5491788 + ... + 5531855.

It is an arithmetic number, because the mean of its divisors is an integer number (8929151640).

Almost surely, 2^220847663862 is an apocalyptic number.

220847663862 is an abundant number, since it is smaller than the sum of its proper divisors (350618041098).

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

220847663862 is a wasteful number, since it uses less digits than its factorization.

220847663862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11023714 (or 11023708 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 220847663862 in words is "two hundred twenty billion, eight hundred forty-seven million, six hundred sixty-three thousand, eight hundred sixty-two".