20579097 has 16 divisors (see below), whose sum is σ = 34209792. Its totient is φ = 10690320.

The previous prime is 20579087. The next prime is 20579101. The reversal of 20579097 is 79097502.

It is not a de Polignac number, because 20579097 - 2⁴ = 20579081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20579047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44313 + ... + 44774.

It is an arithmetic number, because the mean of its divisors is an integer number (2138112).

Almost surely, 2^20579097 is an apocalyptic number.

It is an amenable number.

20579097 is a deficient number, since it is larger than the sum of its proper divisors (13630695).

20579097 is a wasteful number, since it uses less digits than its factorization.

20579097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89108.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 20579097 is about 4536.4189621330. The cubic root of 20579097 is about 274.0367267444.

The spelling of 20579097 in words is "twenty million, five hundred seventy-nine thousand, ninety-seven".