2021852990 has 16 divisors (see below), whose sum is σ = 3672725760. Its totient is φ = 801321120.

The previous prime is 2021852983. The next prime is 2021853011. The reversal of 2021852990 is 992581202.

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, 926366 + ... + 928545.

It is an arithmetic number, because the mean of its divisors is an integer number (229545360).

Almost surely, 2^2021852990 is an apocalyptic number.

2021852990 is a deficient number, since it is larger than the sum of its proper divisors (1650872770).

2021852990 is a wasteful number, since it uses less digits than its factorization.

2021852990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855027.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 2021852990 is about 44965.0196263718. The cubic root of 2021852990 is about 1264.4932776531.

The spelling of 2021852990 in words is "two billion, twenty-one million, eight hundred fifty-two thousand, nine hundred ninety".