220480042925 has 6 divisors (see below), whose sum is σ = 273395253258. Its totient is φ = 176384034320.

The previous prime is 220480042891. The next prime is 220480042927. The reversal of 220480042925 is 529240084022.

It can be written as a sum of positive squares in 3 ways, for example, as 27651033796 + 192829009129 = 166286^2 + 439123^2 .

It is not a de Polignac number, because 220480042925 - 2³² = 216185075629 is a prime.

It is a super-2 number, since 2×220480042925² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220480042927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4409600834 + ... + 4409600883.

It is an arithmetic number, because the mean of its divisors is an integer number (45565875543).

Almost surely, 2^220480042925 is an apocalyptic number.

220480042925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220480042925 is a deficient number, since it is larger than the sum of its proper divisors (52915210333).

220480042925 is an equidigital number, since it uses as much as digits as its factorization.

220480042925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819201727 (or 8819201722 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 220480042925 in words is "two hundred twenty billion, four hundred eighty million, forty-two thousand, nine hundred twenty-five".