220213616125 has 16 divisors (see below), whose sum is σ = 290992865904. Its totient is φ = 165807897600.

The previous prime is 220213616123. The next prime is 220213616131. The reversal of 220213616125 is 521616312022.

It can be written as a sum of positive squares in 8 ways, for example, as 1888250116 + 218325366009 = 43454^2 + 467253^2 .

It is not a de Polignac number, because 220213616125 - 2¹ = 220213616123 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 (220213616123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51812844 + ... + 51817093.

It is an arithmetic number, because the mean of its divisors is an integer number (18187054119).

Almost surely, 2^220213616125 is an apocalyptic number.

220213616125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220213616125 is a deficient number, since it is larger than the sum of its proper divisors (70779249779).

220213616125 is a wasteful number, since it uses less digits than its factorization.

220213616125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103629969 (or 103629959 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 220213616125 its reverse (521616312022), we get a palindrome (741829928147).

The spelling of 220213616125 in words is "two hundred twenty billion, two hundred thirteen million, six hundred sixteen thousand, one hundred twenty-five".