220631049 has 24 divisors (see below), whose sum is σ = 338574600. Its totient is φ = 137968128.

The previous prime is 220631027. The next prime is 220631053. The reversal of 220631049 is 940136022.

220631049 is a `hidden beast` number, since 2 + 20 + 631 + 0 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31843449 + 188787600 = 5643^2 + 13740^2 .

It is not a de Polignac number, because 220631049 - 2⁵ = 220631017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220631849) 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, 46227 + ... + 50775.

It is an arithmetic number, because the mean of its divisors is an integer number (14107275).

Almost surely, 2^220631049 is an apocalyptic number.

It is an amenable number.

220631049 is a deficient number, since it is larger than the sum of its proper divisors (117943551).

220631049 is a wasteful number, since it uses less digits than its factorization.

220631049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889 (or 4886 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 220631049 is about 14853.6543988340. The cubic root of 220631049 is about 604.2577231879.

The spelling of 220631049 in words is "two hundred twenty million, six hundred thirty-one thousand, forty-nine".