25696020 has 96 divisors (see below), whose sum is σ = 82914048. Its totient is φ = 5824512.

The previous prime is 25696007. The next prime is 25696031. The reversal of 25696020 is 2069652.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80902 + ... + 81218.

It is an arithmetic number, because the mean of its divisors is an integer number (863688).

Almost surely, 2^25696020 is an apocalyptic number.

25696020 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 25696020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41457024).

25696020 is an abundant number, since it is smaller than the sum of its proper divisors (57218028).

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

25696020 is a wasteful number, since it uses less digits than its factorization.

25696020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 25696020 is about 5069.1241847088. The cubic root of 25696020 is about 295.0905400535.

The spelling of 25696020 in words is "twenty-five million, six hundred ninety-six thousand, twenty".