20893364 has 12 divisors (see below), whose sum is σ = 36669444. Its totient is φ = 10416384.

The previous prime is 20893339. The next prime is 20893387. The reversal of 20893364 is 46339802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8076964 + 12816400 = 2842^2 + 3580^2 .

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, 5987 + ... + 8810.

It is an arithmetic number, because the mean of its divisors is an integer number (3055787).

Almost surely, 2^20893364 is an apocalyptic number.

It is an amenable number.

20893364 is a deficient number, since it is larger than the sum of its proper divisors (15776080).

20893364 is a wasteful number, since it uses less digits than its factorization.

20893364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15154 (or 15152 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 20893364 is about 4570.9259455826. The cubic root of 20893364 is about 275.4246398249.

The spelling of 20893364 in words is "twenty million, eight hundred ninety-three thousand, three hundred sixty-four".