220290552 has 48 divisors (see below), whose sum is σ = 604188000. Its totient is φ = 72498816.

The previous prime is 220290533. The next prime is 220290569. The reversal of 220290552 is 255092022.

220290552 is a `hidden beast` number, since 2 + 20 + 2 + 90 + 552 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13677 + ... + 25052.

It is an arithmetic number, because the mean of its divisors is an integer number (12587250).

Almost surely, 2^220290552 is an apocalyptic number.

It is an amenable number.

220290552 is an abundant number, since it is smaller than the sum of its proper divisors (383897448).

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

220290552 is a wasteful number, since it uses less digits than its factorization.

220290552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38820 (or 38813 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 220290552 is about 14842.1882483682. The cubic root of 220290552 is about 603.9467154725.

The spelling of 220290552 in words is "two hundred twenty million, two hundred ninety thousand, five hundred fifty-two".