2021852972 has 24 divisors (see below), whose sum is σ = 3680737200. Its totient is φ = 970604096.

The previous prime is 2021852971. The next prime is 2021852983. The reversal of 2021852972 is 2792581202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2021852971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27923 + ... + 69450.

It is an arithmetic number, because the mean of its divisors is an integer number (153364050).

Almost surely, 2^2021852972 is an apocalyptic number.

It is an amenable number.

2021852972 is a deficient number, since it is larger than the sum of its proper divisors (1658884228).

2021852972 is a wasteful number, since it uses less digits than its factorization.

2021852972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97585 (or 97583 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2021852972 is about 44965.0194262162. The cubic root of 2021852972 is about 1264.4932739006.

The spelling of 2021852972 in words is "two billion, twenty-one million, eight hundred fifty-two thousand, nine hundred seventy-two".