20579103 has 20 divisors (see below), whose sum is σ = 31122168. Its totient is φ = 13549680.

The previous prime is 20579101. The next prime is 20579113. The reversal of 20579103 is 30197502.

It is not a de Polignac number, because 20579103 - 2¹ = 20579101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20579101) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5193 + ... + 8253.

Almost surely, 2^20579103 is an apocalyptic number.

20579103 is a deficient number, since it is larger than the sum of its proper divisors (10543065).

20579103 is an equidigital number, since it uses as much as digits as its factorization.

20579103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 20579103 is about 4536.4196234475. The cubic root of 20579103 is about 274.0367533770.

The spelling of 20579103 in words is "twenty million, five hundred seventy-nine thousand, one hundred three".