220764104 has 16 divisors (see below), whose sum is σ = 451563120. Its totient is φ = 100347280.

The previous prime is 220764067. The next prime is 220764121. The reversal of 220764104 is 401467022.

It is a super-2 number, since 2×220764104² = 97473579229845632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254254 + ... + 1254429.

It is an arithmetic number, because the mean of its divisors is an integer number (28222695).

Almost surely, 2^220764104 is an apocalyptic number.

It is an amenable number.

220764104 is an abundant number, since it is smaller than the sum of its proper divisors (230799016).

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

220764104 is a wasteful number, since it uses less digits than its factorization.

220764104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508700 (or 2508696 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 220764104 is about 14858.1325879129. The cubic root of 220764104 is about 604.3791677974.

The spelling of 220764104 in words is "two hundred twenty million, seven hundred sixty-four thousand, one hundred four".