2021852330 has 32 divisors (see below), whose sum is σ = 3855653136. Its totient is φ = 760725504.

The previous prime is 2021852323. The next prime is 2021852353. The reversal of 2021852330 is 332581202.

It can be written as a sum of positive squares in 8 ways, for example, as 1150362889 + 871489441 = 33917^2 + 29521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021852330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545042 + ... + 548738.

Almost surely, 2^2021852330 is an apocalyptic number.

2021852330 is a deficient number, since it is larger than the sum of its proper divisors (1833800806).

2021852330 is a wasteful number, since it uses less digits than its factorization.

2021852330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2021852330 is about 44965.0122873329. The cubic root of 2021852330 is about 1264.4931400622.

The spelling of 2021852330 in words is "two billion, twenty-one million, eight hundred fifty-two thousand, three hundred thirty".