220893970 has 48 divisors (see below), whose sum is σ = 439193664. Its totient is φ = 79930400.

The previous prime is 220893949. The next prime is 220893979. The reversal of 220893970 is 79398022.

It is not an unprimeable number, because it can be changed into a prime (220893979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376017 + ... + 376603.

It is an arithmetic number, because the mean of its divisors is an integer number (9149868).

Almost surely, 2^220893970 is an apocalyptic number.

220893970 is a deficient number, since it is larger than the sum of its proper divisors (218299694).

220893970 is a wasteful number, since it uses less digits than its factorization.

220893970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 220893970 is about 14862.5021446592. The cubic root of 220893970 is about 604.4976546319.

The spelling of 220893970 in words is "two hundred twenty million, eight hundred ninety-three thousand, nine hundred seventy".