20862925 has 12 divisors (see below), whose sum is σ = 26077696. Its totient is φ = 16556400.

The previous prime is 20862923. The next prime is 20862943. The reversal of 20862925 is 52926802.

It is not a de Polignac number, because 20862925 - 2¹ = 20862923 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20862923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111 + ... + 6460.

Almost surely, 2^20862925 is an apocalyptic number.

20862925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20862925 is a deficient number, since it is larger than the sum of its proper divisors (5214771).

20862925 is a wasteful number, since it uses less digits than its factorization.

20862925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708 (or 6703 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 20862925 is about 4567.5951002688. The cubic root of 20862925 is about 275.2908218142.

The spelling of 20862925 in words is "twenty million, eight hundred sixty-two thousand, nine hundred twenty-five".