220959970 has 64 divisors (see below), whose sum is σ = 503387136. Its totient is φ = 67826880.

The previous prime is 220959953. The next prime is 220959989. The reversal of 220959970 is 79959022.

220959970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49449 + ... + 53731.

It is an arithmetic number, because the mean of its divisors is an integer number (7865424).

Almost surely, 2^220959970 is an apocalyptic number.

220959970 is an abundant number, since it is smaller than the sum of its proper divisors (282427166).

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

220959970 is a wasteful number, since it uses less digits than its factorization.

220959970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 220959970 is about 14864.7223317491. The cubic root of 220959970 is about 604.5578537587.

The spelling of 220959970 in words is "two hundred twenty million, nine hundred fifty-nine thousand, nine hundred seventy".