20079875 has 8 divisors (see below), whose sum is σ = 25059840. Its totient is φ = 16063800.

The previous prime is 20079869. The next prime is 20079887. The reversal of 20079875 is 57897002.

It is not a de Polignac number, because 20079875 - 2¹⁸ = 19817731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80195 + ... + 80444.

It is an arithmetic number, because the mean of its divisors is an integer number (3132480).

Almost surely, 2^20079875 is an apocalyptic number.

20079875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20079875 is a deficient number, since it is larger than the sum of its proper divisors (4979965).

20079875 is an equidigital number, since it uses as much as digits as its factorization.

20079875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160654 (or 160644 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 20079875 is about 4481.0573529023. The cubic root of 20079875 is about 271.8026385129.

The spelling of 20079875 in words is "twenty million, seventy-nine thousand, eight hundred seventy-five".