25562020 has 24 divisors (see below), whose sum is σ = 58560768. Its totient is φ = 9295200.

The previous prime is 25562003. The next prime is 25562027. The reversal of 25562020 is 2026552.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 25561982 and 25562000.

It is not an unprimeable number, because it can be changed into a prime (25562027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57876 + ... + 58315.

It is an arithmetic number, because the mean of its divisors is an integer number (2440032).

Almost surely, 2^25562020 is an apocalyptic number.

25562020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25562020 is an abundant number, since it is smaller than the sum of its proper divisors (32998748).

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

25562020 is a wasteful number, since it uses less digits than its factorization.

25562020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116211 (or 116209 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25562020 is about 5055.8896348714. The cubic root of 25562020 is about 294.5766982579.

Adding to 25562020 its reverse (2026552), we get a palindrome (27588572).

The spelling of 25562020 in words is "twenty-five million, five hundred sixty-two thousand, twenty".