21202022092 has 12 divisors (see below), whose sum is σ = 37237488400. Its totient is φ = 10562739696.

The previous prime is 21202022071. The next prime is 21202022117. The reversal of 21202022092 is 29022020212.

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, 9566592 + ... + 9568807.

Almost surely, 2^21202022092 is an apocalyptic number.

It is an amenable number.

21202022092 is a deficient number, since it is larger than the sum of its proper divisors (16035466308).

21202022092 is a wasteful number, since it uses less digits than its factorization.

21202022092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19135680 (or 19135678 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 21202022092 in words is "twenty-one billion, two hundred two million, twenty-two thousand, ninety-two".