20375955 has 20 divisors (see below), whose sum is σ = 36526512. Its totient is φ = 10866960.

The previous prime is 20375947. The next prime is 20375963. The reversal of 20375955 is 55957302.

It is an interprime number because it is at equal distance from previous prime (20375947) and next prime (20375963).

It is not a de Polignac number, because 20375955 - 2³ = 20375947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24751 + ... + 25560.

Almost surely, 2^20375955 is an apocalyptic number.

20375955 is a deficient number, since it is larger than the sum of its proper divisors (16150557).

20375955 is an equidigital number, since it uses as much as digits as its factorization.

20375955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50328 (or 50319 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 20375955 is about 4513.9733051936. The cubic root of 20375955 is about 273.1320457699.

The spelling of 20375955 in words is "twenty million, three hundred seventy-five thousand, nine hundred fifty-five".