25124206020 has 48 divisors (see below), whose sum is σ = 70360532928. Its totient is φ = 6698573440.

The previous prime is 25124205971. The next prime is 25124206031. The reversal of 25124206020 is 2060242152.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324250 + ... + 394190.

It is an arithmetic number, because the mean of its divisors is an integer number (1465844436).

Almost surely, 2^25124206020 is an apocalyptic number.

25124206020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25124206020 is an abundant number, since it is smaller than the sum of its proper divisors (45236326908).

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

25124206020 is a wasteful number, since it uses less digits than its factorization.

25124206020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75940 (or 75938 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 25124206020 its reverse (2060242152), we get a palindrome (27184448172).

The spelling of 25124206020 in words is "twenty-five billion, one hundred twenty-four million, two hundred six thousand, twenty".