20059479 has 12 divisors (see below), whose sum is σ = 31609032. Its totient is φ = 12157200.

The previous prime is 20059477. The next prime is 20059517. The reversal of 20059479 is 97495002.

It is not a de Polignac number, because 20059479 - 2¹ = 20059477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20059471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101212 + ... + 101409.

It is an arithmetic number, because the mean of its divisors is an integer number (2634086).

Almost surely, 2^20059479 is an apocalyptic number.

20059479 is a deficient number, since it is larger than the sum of its proper divisors (11549553).

20059479 is a wasteful number, since it uses less digits than its factorization.

20059479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202638 (or 202635 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 20059479 is about 4478.7809725415. The cubic root of 20059479 is about 271.7105800935.

The spelling of 20059479 in words is "twenty million, fifty-nine thousand, four hundred seventy-nine".