32021021992 has 16 divisors (see below), whose sum is σ = 60061800960. Its totient is φ = 16004541744.

The previous prime is 32021021971. The next prime is 32021022037. The reversal of 32021021992 is 29912012023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723318 + ... + 766309.

It is an arithmetic number, because the mean of its divisors is an integer number (3753862560).

Almost surely, 2^32021021992 is an apocalyptic number.

It is an amenable number.

32021021992 is a deficient number, since it is larger than the sum of its proper divisors (28040778968).

32021021992 is a wasteful number, since it uses less digits than its factorization.

32021021992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492320 (or 1492316 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 32021021992 in words is "thirty-two billion, twenty-one million, twenty-one thousand, nine hundred ninety-two".