20238044 has 6 divisors (see below), whose sum is σ = 35416584. Its totient is φ = 10119020.

The previous prime is 20238037. The next prime is 20238047. The reversal of 20238044 is 44083202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20238047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2529752 + ... + 2529759.

It is an arithmetic number, because the mean of its divisors is an integer number (5902764).

Almost surely, 2^20238044 is an apocalyptic number.

It is an amenable number.

20238044 is a deficient number, since it is larger than the sum of its proper divisors (15178540).

20238044 is a wasteful number, since it uses less digits than its factorization.

20238044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059515 (or 5059513 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 20238044 is about 4498.6713594127. The cubic root of 20238044 is about 272.5144351694.

The spelling of 20238044 in words is "twenty million, two hundred thirty-eight thousand, forty-four".