20875960 has 48 divisors (see below), whose sum is σ = 54644760. Its totient is φ = 7156800.

The previous prime is 20875931. The next prime is 20875963. The reversal of 20875960 is 6957802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20875963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3366 + ... + 7285.

Almost surely, 2^20875960 is an apocalyptic number.

20875960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20875960 is an abundant number, since it is smaller than the sum of its proper divisors (33768800).

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

20875960 is a wasteful number, since it uses less digits than its factorization.

20875960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10676 (or 10665 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 20875960 is about 4569.0217771422. The cubic root of 20875960 is about 275.3481430956.

The spelling of 20875960 in words is "twenty million, eight hundred seventy-five thousand, nine hundred sixty".