2128020832 has 48 divisors (see below), whose sum is σ = 5069705760. Its totient is φ = 858359808.

The previous prime is 2128020809. The next prime is 2128020857. The reversal of 2128020832 is 2380208212.

It is a super-2 number, since 2×2128020832² = 9056945322851944448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2128020832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275607 + ... + 283222.

It is an arithmetic number, because the mean of its divisors is an integer number (105618870).

Almost surely, 2^2128020832 is an apocalyptic number.

It is an amenable number.

2128020832 is an abundant number, since it is smaller than the sum of its proper divisors (2941684928).

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

2128020832 is a wasteful number, since it uses less digits than its factorization.

2128020832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558863 (or 558855 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2128020832 is about 46130.4761735666. The cubic root of 2128020832 is about 1286.2497154844.

The spelling of 2128020832 in words is "two billion, one hundred twenty-eight million, twenty thousand, eight hundred thirty-two".