220723965702 has 12 divisors (see below), whose sum is σ = 478235259060. Its totient is φ = 73574655228.

The previous prime is 220723965691. The next prime is 220723965733. The reversal of 220723965702 is 207569327022.

220723965702 is a `hidden beast` number, since 2 + 2 + 0 + 72 + 3 + 9 + 6 + 570 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6131221252 + ... + 6131221287.

It is an arithmetic number, because the mean of its divisors is an integer number (39852938255).

Almost surely, 2^220723965702 is an apocalyptic number.

220723965702 is an abundant number, since it is smaller than the sum of its proper divisors (257511293358).

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

220723965702 is a wasteful number, since it uses less digits than its factorization.

220723965702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12262442547 (or 12262442544 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 220723965702 in words is "two hundred twenty billion, seven hundred twenty-three million, nine hundred sixty-five thousand, seven hundred two".