20313223322 has 12 divisors (see below), whose sum is σ = 35444502090. Its totient is φ = 8705667096.

The previous prime is 20313223319. The next prime is 20313223387. The reversal of 20313223322 is 22332231302.

It can be written as a sum of positive squares in only one way, i.e., 16866476641 + 3446746681 = 129871^2 + 58709^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103638797 + ... + 103638992.

Almost surely, 2^20313223322 is an apocalyptic number.

20313223322 is a deficient number, since it is larger than the sum of its proper divisors (15131278768).

20313223322 is a wasteful number, since it uses less digits than its factorization.

20313223322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207277805 (or 207277798 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20313223322 its reverse (22332231302), we get a palindrome (42645454624).

The spelling of 20313223322 in words is "twenty billion, three hundred thirteen million, two hundred twenty-three thousand, three hundred twenty-two".