220674128 has 10 divisors (see below), whose sum is σ = 427556154. Its totient is φ = 110337056.

The previous prime is 220674107. The next prime is 220674143. The reversal of 220674128 is 821476022.

It can be written as a sum of positive squares in only one way, i.e., 185722384 + 34951744 = 13628^2 + 5912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220674094 and 220674103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6896051 + ... + 6896082.

Almost surely, 2^220674128 is an apocalyptic number.

It is an amenable number.

220674128 is a deficient number, since it is larger than the sum of its proper divisors (206882026).

220674128 is a wasteful number, since it uses less digits than its factorization.

220674128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792141 (or 13792135 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 220674128 is about 14855.1044425813. The cubic root of 220674128 is about 604.2970484545.

The spelling of 220674128 in words is "two hundred twenty million, six hundred seventy-four thousand, one hundred twenty-eight".