25153202020 has 12 divisors (see below), whose sum is σ = 52821724284. Its totient is φ = 10061280800.

The previous prime is 25153201981. The next prime is 25153202029. The reversal of 25153202020 is 2020235152.

It can be written as a sum of positive squares in 2 ways, for example, as 8852551744 + 16300650276 = 94088^2 + 127674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25153201982 and 25153202000.

It is not an unprimeable number, because it can be changed into a prime (25153202029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628830031 + ... + 628830070.

It is an arithmetic number, because the mean of its divisors is an integer number (4401810357).

Almost surely, 2^25153202020 is an apocalyptic number.

25153202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25153202020 is an abundant number, since it is smaller than the sum of its proper divisors (27668522264).

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

25153202020 is a wasteful number, since it uses less digits than its factorization.

25153202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257660110 (or 1257660108 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 25153202020 its reverse (2020235152), we get a palindrome (27173437172).

The spelling of 25153202020 in words is "twenty-five billion, one hundred fifty-three million, two hundred two thousand, twenty".