20875359 has 8 divisors (see below), whose sum is σ = 28290352. Its totient is φ = 13688640.

The previous prime is 20875343. The next prime is 20875381. The reversal of 20875359 is 95357802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20875359 - 2⁴ = 20875343 is a prime.

It is a super-2 number, since 2×20875359² = 871561226757762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20875399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56854 + ... + 57219.

It is an arithmetic number, because the mean of its divisors is an integer number (3536294).

Almost surely, 2^20875359 is an apocalyptic number.

20875359 is a deficient number, since it is larger than the sum of its proper divisors (7414993).

20875359 is a wasteful number, since it uses less digits than its factorization.

20875359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114137.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 20875359 is about 4568.9560076674. The cubic root of 20875359 is about 275.3455007290.

The spelling of 20875359 in words is "twenty million, eight hundred seventy-five thousand, three hundred fifty-nine".