220895300025 has 27 divisors (see below), whose sum is σ = 395660653869. Its totient is φ = 117807066720.

The previous prime is 220895300023. The next prime is 220895300027. The reversal of 220895300025 is 520003598022.

The square root of 220895300025 is 469995.

It is a perfect power (a square), and thus also a powerful number.

220895300025 is a `hidden beast` number, since 2 + 20 + 89 + 530 + 0 + 0 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (220895300023) and next prime (220895300027).

It can be written as a sum of positive squares in 4 ways, for example, as 74763418041 + 146131881984 = 273429^2 + 382272^2 .

It is not a de Polignac number, because 220895300025 - 2¹ = 220895300023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220895300023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7034259 + ... + 7065591.

Almost surely, 2^220895300025 is an apocalyptic number.

220895300025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220895300025 is the 469995-th square number.

220895300025 is the 234998-th centered octagonal number.

It is an amenable number.

220895300025 is a deficient number, since it is larger than the sum of its proper divisors (174765353844).

220895300025 is an frugal number, since it uses more digits than its factorization.

220895300025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62682 (or 31341 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Multiplying 220895300025 by its sum of digits (36), we get a square (7952230800900 = 2819970²).

Adding to 220895300025 its reverse (520003598022), we get a palindrome (740898898047).

The spelling of 220895300025 in words is "two hundred twenty billion, eight hundred ninety-five million, three hundred thousand, twenty-five".