220479061 has 12 divisors (see below), whose sum is σ = 244757772. Its totient is φ = 198440000.

The previous prime is 220479029. The next prime is 220479067. The reversal of 220479061 is 160974022.

220479061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 110355025 + 110124036 = 10505^2 + 10494^2 .

It is not a de Polignac number, because 220479061 - 2⁵ = 220479029 is a prime.

It is a super-2 number, since 2×220479061² = 97222032678883442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220479067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3201 + ... + 21241.

It is an arithmetic number, because the mean of its divisors is an integer number (20396481).

Almost surely, 2^220479061 is an apocalyptic number.

It is an amenable number.

220479061 is a deficient number, since it is larger than the sum of its proper divisors (24278711).

220479061 is a wasteful number, since it uses less digits than its factorization.

220479061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18164 (or 18153 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 220479061 is about 14848.5373353741. The cubic root of 220479061 is about 604.1189379170.

The spelling of 220479061 in words is "two hundred twenty million, four hundred seventy-nine thousand, sixty-one".