220220238865 has 8 divisors (see below), whose sum is σ = 288288312768. Its totient is φ = 160160173680.

The previous prime is 220220238857. The next prime is 220220238871. The reversal of 220220238865 is 568832022022.

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

It is not a de Polignac number, because 220220238865 - 2³ = 220220238857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002002117 + ... + 2002002226.

It is an arithmetic number, because the mean of its divisors is an integer number (36036039096).

Almost surely, 2^220220238865 is an apocalyptic number.

It is an amenable number.

220220238865 is a deficient number, since it is larger than the sum of its proper divisors (68068073903).

220220238865 is a wasteful number, since it uses less digits than its factorization.

220220238865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004004359.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 220220238865 in words is "two hundred twenty billion, two hundred twenty million, two hundred thirty-eight thousand, eight hundred sixty-five".