25696920 has 32 divisors (see below), whose sum is σ = 77091120. Its totient is φ = 6852480.

The previous prime is 25696903. The next prime is 25696933. The reversal of 25696920 is 2969652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106951 + ... + 107190.

Almost surely, 2^25696920 is an apocalyptic number.

25696920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25696920 is an abundant number, since it is smaller than the sum of its proper divisors (51394200).

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

25696920 is a wasteful number, since it uses less digits than its factorization.

25696920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214155 (or 214151 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 25696920 is about 5069.2129566630. The cubic root of 25696920 is about 295.0939851835.

The spelling of 25696920 in words is "twenty-five million, six hundred ninety-six thousand, nine hundred twenty".