25695020 has 48 divisors (see below), whose sum is σ = 59703168. Its totient is φ = 9227520.

The previous prime is 25694993. The next prime is 25695029. The reversal of 25695020 is 2059652.

It is not an unprimeable number, because it can be changed into a prime (25695029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8285 + ... + 10955.

It is an arithmetic number, because the mean of its divisors is an integer number (1243816).

Almost surely, 2^25695020 is an apocalyptic number.

25695020 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 25695020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29851584).

25695020 is an abundant number, since it is smaller than the sum of its proper divisors (34008148).

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

25695020 is a wasteful number, since it uses less digits than its factorization.

25695020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 25695020 is about 5069.0255473809. The cubic root of 25695020 is about 295.0867120370.

The spelling of 25695020 in words is "twenty-five million, six hundred ninety-five thousand, twenty".