25065298020 has 48 divisors (see below), whose sum is σ = 80208955008. Its totient is φ = 5729210880.

The previous prime is 25065298007. The next prime is 25065298021. The reversal of 25065298020 is 2089256052.

It is a self number, because there is not a number n which added to its sum of digits gives 25065298020.

It is not an unprimeable number, because it can be changed into a prime (25065298021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29839221 + ... + 29840060.

It is an arithmetic number, because the mean of its divisors is an integer number (1671019896).

Almost surely, 2^25065298020 is an apocalyptic number.

25065298020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25065298020 is an abundant number, since it is smaller than the sum of its proper divisors (55143656988).

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

25065298020 is a wasteful number, since it uses less digits than its factorization.

25065298020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59679300 (or 59679298 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 25065298020 in words is "twenty-five billion, sixty-five million, two hundred ninety-eight thousand, twenty".