25334820 has 72 divisors (see below), whose sum is σ = 87831744. Its totient is φ = 5790528.

The previous prime is 25334801. The next prime is 25334821. The reversal of 25334820 is 2843352.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25334821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8794 + ... + 11313.

Almost surely, 2^25334820 is an apocalyptic number.

25334820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25334820 is an abundant number, since it is smaller than the sum of its proper divisors (62496924).

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

25334820 is a wasteful number, since it uses less digits than its factorization.

25334820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20129 (or 20124 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 25334820 is about 5033.3706400383. The cubic root of 25334820 is about 293.7013488162.

The spelling of 25334820 in words is "twenty-five million, three hundred thirty-four thousand, eight hundred twenty".