2021118832 has 20 divisors (see below), whose sum is σ = 3916711120. Its totient is φ = 1010354688.

The previous prime is 2021118823. The next prime is 2021118833. The reversal of 2021118832 is 2388111202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021118832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021118833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97408 + ... + 116320.

It is an arithmetic number, because the mean of its divisors is an integer number (195835556).

Almost surely, 2^2021118832 is an apocalyptic number.

It is an amenable number.

2021118832 is a deficient number, since it is larger than the sum of its proper divisors (1895592288).

2021118832 is a wasteful number, since it uses less digits than its factorization.

2021118832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25600 (or 25594 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 2021118832 is about 44956.8552280962. The cubic root of 2021118832 is about 1264.3402084560.

The spelling of 2021118832 in words is "two billion, twenty-one million, one hundred eighteen thousand, eight hundred thirty-two".