2021896190 has 48 divisors (see below), whose sum is σ = 4028503248. Its totient is φ = 728057088.

The previous prime is 2021896187. The next prime is 2021896199. The reversal of 2021896190 is 916981202.

It is a super-2 number, since 2×2021896190² = 8176128406273032200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021896199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78689 + ... + 101171.

It is an arithmetic number, because the mean of its divisors is an integer number (83927151).

Almost surely, 2^2021896190 is an apocalyptic number.

It is a pronic number, being equal to 44965×44966.

2021896190 is a deficient number, since it is larger than the sum of its proper divisors (2006607058).

2021896190 is a wasteful number, since it uses less digits than its factorization.

2021896190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22553 (or 22530 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 2021896190 is about 44965.4999972201. The cubic root of 2021896190 is about 1264.5022835371.

The spelling of 2021896190 in words is "two billion, twenty-one million, eight hundred ninety-six thousand, one hundred ninety".