220487952 has 20 divisors (see below), whose sum is σ = 569594000. Its totient is φ = 73495968.

The previous prime is 220487947. The next prime is 220488007. The reversal of 220487952 is 259784022.

It is a super-2 number, since 2×220487952² = 97229873954308608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220487952.

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, 2296702 + ... + 2296797.

It is an arithmetic number, because the mean of its divisors is an integer number (28479700).

Almost surely, 2^220487952 is an apocalyptic number.

It is an amenable number.

220487952 is an abundant number, since it is smaller than the sum of its proper divisors (349106048).

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

220487952 is a wasteful number, since it uses less digits than its factorization.

220487952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593510 (or 4593504 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 220487952 is about 14848.8367221140. The cubic root of 220487952 is about 604.1270583393.

The spelling of 220487952 in words is "two hundred twenty million, four hundred eighty-seven thousand, nine hundred fifty-two".