220754826868 has 24 divisors (see below), whose sum is σ = 392730504264. Its totient is φ = 108546816000.

The previous prime is 220754826821. The next prime is 220754826871. The reversal of 220754826868 is 868628457022.

It can be written as a sum of positive squares in 4 ways, for example, as 35078293264 + 185676533604 = 187292^2 + 430902^2 .

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, 1207068 + ... + 1377868.

It is an arithmetic number, because the mean of its divisors is an integer number (16363771011).

Almost surely, 2^220754826868 is an apocalyptic number.

It is an amenable number.

220754826868 is a deficient number, since it is larger than the sum of its proper divisors (171975677396).

220754826868 is a wasteful number, since it uses less digits than its factorization.

220754826868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176163 (or 176161 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 58.

The spelling of 220754826868 in words is "two hundred twenty billion, seven hundred fifty-four million, eight hundred twenty-six thousand, eight hundred sixty-eight".