20264025 has 24 divisors (see below), whose sum is σ = 33660544. Its totient is φ = 10756800.

The previous prime is 20263961. The next prime is 20264029. The reversal of 20264025 is 52046202.

It is not a de Polignac number, because 20264025 - 2⁶ = 20263961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20263992 and 20264010.

It is not an unprimeable number, because it can be changed into a prime (20264029) 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, 19827 + ... + 20823.

Almost surely, 2^20264025 is an apocalyptic number.

20264025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20264025 is a deficient number, since it is larger than the sum of its proper divisors (13396519).

20264025 is a wasteful number, since it uses less digits than its factorization.

20264025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20264025 is about 4501.5580636042. The cubic root of 20264025 is about 272.6310006161.

The spelling of 20264025 in words is "twenty million, two hundred sixty-four thousand, twenty-five".