25315142020 has 48 divisors (see below), whose sum is σ = 60802777728. Its totient is φ = 8672843520.

The previous prime is 25315142011. The next prime is 25315142077. The reversal of 25315142020 is 2024151352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116499 + ... + 253381.

It is an arithmetic number, because the mean of its divisors is an integer number (1266724536).

Almost surely, 2^25315142020 is an apocalyptic number.

25315142020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25315142020 is an abundant number, since it is smaller than the sum of its proper divisors (35487635708).

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

25315142020 is a wasteful number, since it uses less digits than its factorization.

25315142020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138220 (or 138218 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 25315142020 its reverse (2024151352), we get a palindrome (27339293372).

The spelling of 25315142020 in words is "twenty-five billion, three hundred fifteen million, one hundred forty-two thousand, twenty".