220623660125 has 32 divisors (see below), whose sum is σ = 308487239424. Its totient is φ = 156116952000.

The previous prime is 220623660113. The next prime is 220623660143. The reversal of 220623660125 is 521066326022.

It is not a de Polignac number, because 220623660125 - 2²⁶ = 220556551261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2117417 + ... + 2219166.

It is an arithmetic number, because the mean of its divisors is an integer number (9640226232).

Almost surely, 2^220623660125 is an apocalyptic number.

220623660125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220623660125 is a deficient number, since it is larger than the sum of its proper divisors (87863579299).

220623660125 is a wasteful number, since it uses less digits than its factorization.

220623660125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336646 (or 4336636 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 220623660125 its reverse (521066326022), we get a palindrome (741689986147).

The spelling of 220623660125 in words is "two hundred twenty billion, six hundred twenty-three million, six hundred sixty thousand, one hundred twenty-five".