25024426020 has 144 divisors (see below), whose sum is σ = 87679283328. Its totient is φ = 5709665280.

The previous prime is 25024426013. The next prime is 25024426039. The reversal of 25024426020 is 2062442052.

It is a happy number.

25024426020 is a `hidden beast` number, since 2 + 50 + 2 + 4 + 4 + 2 + 602 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 338064 + ... + 405383.

It is an arithmetic number, because the mean of its divisors is an integer number (608883912).

Almost surely, 2^25024426020 is an apocalyptic number.

25024426020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25024426020 is an abundant number, since it is smaller than the sum of its proper divisors (62654857308).

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

25024426020 is a wasteful number, since it uses less digits than its factorization.

25024426020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743490 (or 743485 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 25024426020 its reverse (2062442052), we get a palindrome (27086868072).

The spelling of 25024426020 in words is "twenty-five billion, twenty-four million, four hundred twenty-six thousand, twenty".