20308038384 has 40 divisors (see below), whose sum is σ = 52576291152. Its totient is φ = 6754654720.

The previous prime is 20308038371. The next prime is 20308038389. The reversal of 20308038384 is 48383080302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20308038389) 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, 436749 + ... + 481004.

Almost surely, 2^20308038384 is an apocalyptic number.

20308038384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20308038384 is an abundant number, since it is smaller than the sum of its proper divisors (32268252768).

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

20308038384 is a wasteful number, since it uses less digits than its factorization.

20308038384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918225 (or 918219 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 20308038384 in words is "twenty billion, three hundred eight million, thirty-eight thousand, three hundred eighty-four".