25253130220 has 12 divisors (see below), whose sum is σ = 53031573504. Its totient is φ = 10101252080.

The previous prime is 25253130121. The next prime is 25253130247. The reversal of 25253130220 is 2203135252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631328236 + ... + 631328275.

It is an arithmetic number, because the mean of its divisors is an integer number (4419297792).

Almost surely, 2^25253130220 is an apocalyptic number.

25253130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25253130220 is an abundant number, since it is smaller than the sum of its proper divisors (27778443284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25253130220 is a wasteful number, since it uses less digits than its factorization.

25253130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262656520 (or 1262656518 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 25253130220 its reverse (2203135252), we get a palindrome (27456265472).

The spelling of 25253130220 in words is "twenty-five billion, two hundred fifty-three million, one hundred thirty thousand, two hundred twenty".