20338003784 has 32 divisors (see below), whose sum is σ = 43592001600. Its totient is φ = 8714174400.

The previous prime is 20338003723. The next prime is 20338003787. The reversal of 20338003784 is 48730083302.

It is not an unprimeable number, because it can be changed into a prime (20338003787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201134 + ... + 284834.

It is an arithmetic number, because the mean of its divisors is an integer number (1362250050).

Almost surely, 2^20338003784 is an apocalyptic number.

It is an amenable number.

20338003784 is an abundant number, since it is smaller than the sum of its proper divisors (23253997816).

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

20338003784 is a wasteful number, since it uses less digits than its factorization.

20338003784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88053 (or 88049 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 20338003784 in words is "twenty billion, three hundred thirty-eight million, three thousand, seven hundred eighty-four".