20333925 has 18 divisors (see below), whose sum is σ = 36420722. Its totient is φ = 10844640.

The previous prime is 20333899. The next prime is 20333941. The reversal of 20333925 is 52933302.

It can be written as a sum of positive squares in 3 ways, for example, as 272484 + 20061441 = 522^2 + 4479^2 .

It is not a de Polignac number, because 20333925 - 2¹³ = 20325733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44962 + ... + 45411.

Almost surely, 2^20333925 is an apocalyptic number.

20333925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20333925 is a deficient number, since it is larger than the sum of its proper divisors (16086797).

20333925 is a wasteful number, since it uses less digits than its factorization.

20333925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90389 (or 90381 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 20333925 is about 4509.3153582334. The cubic root of 20333925 is about 272.9441176928.

The spelling of 20333925 in words is "twenty million, three hundred thirty-three thousand, nine hundred twenty-five".