20579134 has 8 divisors (see below), whose sum is σ = 30958200. Its totient is φ = 10259736.

The previous prime is 20579123. The next prime is 20579177. The reversal of 20579134 is 43197502.

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

It is a junction number, because it is equal to n+sod(n) for n = 20579096 and 20579105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14044 + ... + 15439.

It is an arithmetic number, because the mean of its divisors is an integer number (3869775).

Almost surely, 2^20579134 is an apocalyptic number.

20579134 is a deficient number, since it is larger than the sum of its proper divisors (10379066).

20579134 is a wasteful number, since it uses less digits than its factorization.

20579134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29834.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 20579134 is about 4536.4230402378. The cubic root of 20579134 is about 274.0368909783.

The spelling of 20579134 in words is "twenty million, five hundred seventy-nine thousand, one hundred thirty-four".