220768084 has 12 divisors (see below), whose sum is σ = 386594964. Its totient is φ = 110312384.

The previous prime is 220768073. The next prime is 220768109. The reversal of 220768084 is 480867022.

It can be written as a sum of positive squares in 2 ways, for example, as 181980100 + 38787984 = 13490^2 + 6228^2 .

It is a congruent number.

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, 10657 + ... + 23560.

It is an arithmetic number, because the mean of its divisors is an integer number (32216247).

Almost surely, 2^220768084 is an apocalyptic number.

It is an amenable number.

220768084 is a deficient number, since it is larger than the sum of its proper divisors (165826880).

220768084 is a wasteful number, since it uses less digits than its factorization.

220768084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35834 (or 35832 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 220768084 is about 14858.2665206948. The cubic root of 220768084 is about 604.3827997505.

The spelling of 220768084 in words is "two hundred twenty million, seven hundred sixty-eight thousand, eighty-four".