220556852 has 18 divisors (see below), whose sum is σ = 396698022. Its totient is φ = 107295264.

The previous prime is 220556849. The next prime is 220556911. The reversal of 220556852 is 258655022.

220556852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 177049636 + 43507216 = 13306^2 + 6596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14663 + ... + 25614.

It is an arithmetic number, because the mean of its divisors is an integer number (22038779).

Almost surely, 2^220556852 is an apocalyptic number.

It is an amenable number.

220556852 is a deficient number, since it is larger than the sum of its proper divisors (176141170).

220556852 is a wasteful number, since it uses less digits than its factorization.

220556852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40355 (or 40316 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 220556852 is about 14851.1565879564. The cubic root of 220556852 is about 604.1899794180.

The spelling of 220556852 in words is "two hundred twenty million, five hundred fifty-six thousand, eight hundred fifty-two".