20338044 has 12 divisors (see below), whose sum is σ = 47455464. Its totient is φ = 6779344.

The previous prime is 20338027. The next prime is 20338057. The reversal of 20338044 is 44083302.

It is a tau number, because it is divible by the number of its divisors (12).

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, 847407 + ... + 847430.

It is an arithmetic number, because the mean of its divisors is an integer number (3954622).

Almost surely, 2^20338044 is an apocalyptic number.

It is an amenable number.

20338044 is an abundant number, since it is smaller than the sum of its proper divisors (27117420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20338044 is a wasteful number, since it uses less digits than its factorization.

20338044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694844 (or 1694842 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20338044 is about 4509.7720563239. The cubic root of 20338044 is about 272.9625463519.

The spelling of 20338044 in words is "twenty million, three hundred thirty-eight thousand, forty-four".