220541065924 has 9 divisors (see below), whose sum is σ = 385948509037. Its totient is φ = 110270063344.

The previous prime is 220541065907. The next prime is 220541065933. The reversal of 220541065924 is 429560145022.

The square root of 220541065924 is 469618.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 92892067524 + 127648998400 = 304782^2 + 357280^2 .

It is a super-2 number, since 2×220541065924² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 821832 + ... + 1056640.

Almost surely, 2^220541065924 is an apocalyptic number.

220541065924 is the 469618-th square number.

It is an amenable number.

220541065924 is a deficient number, since it is larger than the sum of its proper divisors (165407443113).

220541065924 is an frugal number, since it uses more digits than its factorization.

220541065924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469622 (or 234811 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 220541065924 in words is "two hundred twenty billion, five hundred forty-one million, sixty-five thousand, nine hundred twenty-four".