220305531325 has 24 divisors (see below), whose sum is σ = 299066456736. Its totient is φ = 159655992000.

The previous prime is 220305531323. The next prime is 220305531371. The reversal of 220305531325 is 523135503022.

It is not a de Polignac number, because 220305531325 - 2¹ = 220305531323 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 (220305531323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1337566 + ... + 1493215.

It is an arithmetic number, because the mean of its divisors is an integer number (12461102364).

Almost surely, 2^220305531325 is an apocalyptic number.

220305531325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220305531325 is a deficient number, since it is larger than the sum of its proper divisors (78760925411).

220305531325 is a wasteful number, since it uses less digits than its factorization.

220305531325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831085 (or 2831080 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 220305531325 in words is "two hundred twenty billion, three hundred five million, five hundred thirty-one thousand, three hundred twenty-five".