32920020288889 has 16 divisors (see below), whose sum is σ = 33189971564160. Its totient is φ = 32650512353920.

The previous prime is 32920020288823. The next prime is 32920020288901. The reversal of 32920020288889 is 98888202002923.

It is a cyclic number.

It is not a de Polignac number, because 32920020288889 - 2¹⁹ = 32920019764601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32920020288809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732135522 + ... + 732180484.

It is an arithmetic number, because the mean of its divisors is an integer number (2074373222760).

Almost surely, 2^{32920020288889} is an apocalyptic number.

It is an amenable number.

32920020288889 is a deficient number, since it is larger than the sum of its proper divisors (269951275271).

32920020288889 is a wasteful number, since it uses less digits than its factorization.

32920020288889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49760.

The product of its (nonzero) digits is 15925248, while the sum is 61.

The spelling of 32920020288889 in words is "thirty-two trillion, nine hundred twenty billion, twenty million, two hundred eighty-eight thousand, eight hundred eighty-nine".