220535970 has 32 divisors (see below), whose sum is σ = 529699392. Its totient is φ = 58763712.

The previous prime is 220535969. The next prime is 220535989. The reversal of 220535970 is 79535022.

220535970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220535970² = 97272228127681800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56089 + ... + 59891.

It is an arithmetic number, because the mean of its divisors is an integer number (16553106).

Almost surely, 2^220535970 is an apocalyptic number.

220535970 is an abundant number, since it is smaller than the sum of its proper divisors (309163422).

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

220535970 is a wasteful number, since it uses less digits than its factorization.

220535970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 220535970 is about 14850.4535284280. The cubic root of 220535970 is about 604.1709108752.

The spelling of 220535970 in words is "two hundred twenty million, five hundred thirty-five thousand, nine hundred seventy".