220051431125 has 16 divisors (see below), whose sum is σ = 274753028784. Its totient is φ = 175958553600.

The previous prime is 220051431079. The next prime is 220051431137. The reversal of 220051431125 is 521134150022.

It can be written as a sum of positive squares in 8 ways, for example, as 67632243844 + 152419187281 = 260062^2 + 390409^2 .

It is a de Polignac number, because none of the positive numbers 2^k-220051431125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220051431094 and 220051431103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144764 + ... + 679013.

It is an arithmetic number, because the mean of its divisors is an integer number (17172064299).

Almost surely, 2^220051431125 is an apocalyptic number.

220051431125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220051431125 is a deficient number, since it is larger than the sum of its proper divisors (54701597659).

220051431125 is an equidigital number, since it uses as much as digits as its factorization.

220051431125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825929 (or 825919 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 220051431125 its reverse (521134150022), we get a palindrome (741185581147).

The spelling of 220051431125 in words is "two hundred twenty billion, fifty-one million, four hundred thirty-one thousand, one hundred twenty-five".