20594913 has 8 divisors (see below), whose sum is σ = 28653888. Its totient is φ = 13132944.

The previous prime is 20594911. The next prime is 20594923. The reversal of 20594913 is 31949502.

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

It is not a de Polignac number, because 20594913 - 2¹ = 20594911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20594911) 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, 149170 + ... + 149307.

It is an arithmetic number, because the mean of its divisors is an integer number (3581736).

Almost surely, 2^20594913 is an apocalyptic number.

20594913 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20594913 is a deficient number, since it is larger than the sum of its proper divisors (8058975).

20594913 is a wasteful number, since it uses less digits than its factorization.

20594913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298503.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 20594913 is about 4538.1618525566. The cubic root of 20594913 is about 274.1069121208.

The spelling of 20594913 in words is "twenty million, five hundred ninety-four thousand, nine hundred thirteen".