20038489432 has 64 divisors (see below), whose sum is σ = 40726022400. Its totient is φ = 9188474880.

The previous prime is 20038489411. The next prime is 20038489481. The reversal of 20038489432 is 23498483002.

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, 13924569 + ... + 13926007.

It is an arithmetic number, because the mean of its divisors is an integer number (636344100).

Almost surely, 2^20038489432 is an apocalyptic number.

It is an amenable number.

20038489432 is an abundant number, since it is smaller than the sum of its proper divisors (20687532968).

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

20038489432 is a wasteful number, since it uses less digits than its factorization.

20038489432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 20038489432 in words is "twenty billion, thirty-eight million, four hundred eighty-nine thousand, four hundred thirty-two".