25133020 has 48 divisors (see below), whose sum is σ = 60092928. Its totient is φ = 8740160.

The previous prime is 25132967. The next prime is 25133047. The reversal of 25133020 is 2033152.

It is a junction number, because it is equal to n+sod(n) for n = 25132985 and 25133003.

It is a congruent 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, 2577 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (1251936).

Almost surely, 2^25133020 is an apocalyptic number.

25133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25133020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30046464).

25133020 is an abundant number, since it is smaller than the sum of its proper divisors (34959908).

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

25133020 is a wasteful number, since it uses less digits than its factorization.

25133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 25133020 is about 5013.2843525976. The cubic root of 25133020 is about 292.9194605210.

Adding to 25133020 its reverse (2033152), we get a palindrome (27166172).

The spelling of 25133020 in words is "twenty-five million, one hundred thirty-three thousand, twenty".