20338032 has 80 divisors (see below), whose sum is σ = 61746048. Its totient is φ = 5687040.

The previous prime is 20338027. The next prime is 20338057. The reversal of 20338032 is 23083302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5383 + ... + 8345.

Almost surely, 2^20338032 is an apocalyptic number.

20338032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20338032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30873024).

20338032 is an abundant number, since it is smaller than the sum of its proper divisors (41408016).

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

20338032 is a wasteful number, since it uses less digits than its factorization.

20338032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998 (or 2992 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20338032 is about 4509.7707258795. The cubic root of 20338032 is about 272.9624926668.

The spelling of 20338032 in words is "twenty million, three hundred thirty-eight thousand, thirty-two".