25163703020 has 24 divisors (see below), whose sum is σ = 52866918384. Its totient is φ = 10061073216.

The previous prime is 25163703011. The next prime is 25163703029. The reversal of 25163703020 is 2030736152.

It is an interprime number because it is at equal distance from previous prime (25163703011) and next prime (25163703029).

It is not an unprimeable number, because it can be changed into a prime (25163703029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228494 + ... + 320213.

It is an arithmetic number, because the mean of its divisors is an integer number (2202788266).

Almost surely, 2^25163703020 is an apocalyptic number.

25163703020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25163703020 is an abundant number, since it is smaller than the sum of its proper divisors (27703215364).

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

25163703020 is a wasteful number, since it uses less digits than its factorization.

25163703020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551009 (or 551007 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The spelling of 25163703020 in words is "twenty-five billion, one hundred sixty-three million, seven hundred three thousand, twenty".