20338364 has 12 divisors (see below), whose sum is σ = 35697144. Its totient is φ = 10139184.

The previous prime is 20338363. The next prime is 20338393. The reversal of 20338364 is 46383302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20338363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5939 + ... + 8714.

It is an arithmetic number, because the mean of its divisors is an integer number (2974762).

Almost surely, 2^20338364 is an apocalyptic number.

It is an amenable number.

20338364 is a deficient number, since it is larger than the sum of its proper divisors (15358780).

20338364 is a wasteful number, since it uses less digits than its factorization.

20338364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004 (or 15002 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 20338364 is about 4509.8075346959. The cubic root of 20338364 is about 272.9639779474.

It can be divided in two parts, 20338 and 364, that added together give a palindrome (20702).

The spelling of 20338364 in words is "twenty million, three hundred thirty-eight thousand, three hundred sixty-four".