20300925 has 12 divisors (see below), whose sum is σ = 33564320. Its totient is φ = 10827120.

The previous prime is 20300879. The next prime is 20300947. The reversal of 20300925 is 52900302.

It is not a de Polignac number, because 20300925 - 2¹³ = 20292733 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135265 + ... + 135414.

Almost surely, 2^20300925 is an apocalyptic number.

20300925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20300925 is a deficient number, since it is larger than the sum of its proper divisors (13263395).

20300925 is a wasteful number, since it uses less digits than its factorization.

20300925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270692 (or 270687 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 20300925 is about 4505.6547803843. The cubic root of 20300925 is about 272.7963837479.

The spelling of 20300925 in words is "twenty million, three hundred thousand, nine hundred twenty-five".