220770352 has 20 divisors (see below), whose sum is σ = 466628616. Its totient is φ = 100350080.

The previous prime is 220770349. The next prime is 220770371. The reversal of 220770352 is 253077022.

It is a self number, because there is not a number n which added to its sum of digits gives 220770352.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627013 + ... + 627364.

Almost surely, 2^220770352 is an apocalyptic number.

220770352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220770352 is an abundant number, since it is smaller than the sum of its proper divisors (245858264).

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

220770352 is a wasteful number, since it uses less digits than its factorization.

220770352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254396 (or 1254390 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 220770352 is about 14858.3428416496. The cubic root of 220770352 is about 604.3848693967.

It can be divided in two parts, 220770 and 352, that added together give a palindrome (221122).

The spelling of 220770352 in words is "two hundred twenty million, seven hundred seventy thousand, three hundred fifty-two".