220824970 has 8 divisors (see below), whose sum is σ = 397484964. Its totient is φ = 88329984.

The previous prime is 220824949. The next prime is 220824971. The reversal of 220824970 is 79428022.

It can be written as a sum of positive squares in 2 ways, for example, as 200817241 + 20007729 = 14171^2 + 4473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220824971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11041239 + ... + 11041258.

Almost surely, 2^220824970 is an apocalyptic number.

220824970 is a deficient number, since it is larger than the sum of its proper divisors (176659994).

220824970 is a wasteful number, since it uses less digits than its factorization.

220824970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22082504.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 220824970 is about 14860.1806853080. The cubic root of 220824970 is about 604.4347063587.

The spelling of 220824970 in words is "two hundred twenty million, eight hundred twenty-four thousand, nine hundred seventy".