220468879 has 6 divisors (see below), whose sum is σ = 221226824. Its totient is φ = 219713460.

The previous prime is 220468867. The next prime is 220468889. The reversal of 220468879 is 978864022.

220468879 = T₁₂₁₂₂ + T₁₂₁₂₃ + T₁₂₁₂₄.

It is not a de Polignac number, because 220468879 - 2⁵ = 220468847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220468889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119494 + ... + 121324.

Almost surely, 2^220468879 is an apocalyptic number.

220468879 is the 12124-th centered triangular number.

220468879 is a deficient number, since it is larger than the sum of its proper divisors (757945).

220468879 is an frugal number, since it uses more digits than its factorization.

220468879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 220468879 is about 14848.1944693623. The cubic root of 220468879 is about 604.1096381167.

The spelling of 220468879 in words is "two hundred twenty million, four hundred sixty-eight thousand, eight hundred seventy-nine".