20722368332 has 12 divisors (see below), whose sum is σ = 36344914200. Its totient is φ = 10338107136.

The previous prime is 20722368319. The next prime is 20722368341. The reversal of 20722368332 is 23386322702.

It is a happy number.

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, 5767238 + ... + 5770829.

It is an arithmetic number, because the mean of its divisors is an integer number (3028742850).

Almost surely, 2^20722368332 is an apocalyptic number.

It is an amenable number.

20722368332 is a deficient number, since it is larger than the sum of its proper divisors (15622545868).

20722368332 is a wasteful number, since it uses less digits than its factorization.

20722368332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11538520 (or 11538518 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 20722368332 in words is "twenty billion, seven hundred twenty-two million, three hundred sixty-eight thousand, three hundred thirty-two".