20323031322 has 32 divisors (see below), whose sum is σ = 45092712960. Its totient is φ = 6054111920.

The previous prime is 20323031303. The next prime is 20323031369. The reversal of 20323031322 is 22313032302.

It is a super-2 number, since 2×20323031322² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605638 + ... + 2613425.

It is an arithmetic number, because the mean of its divisors is an integer number (1409147280).

Almost surely, 2^20323031322 is an apocalyptic number.

20323031322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20323031322 is an abundant number, since it is smaller than the sum of its proper divisors (24769681638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20323031322 is a wasteful number, since it uses less digits than its factorization.

20323031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219138.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20323031322 its reverse (22313032302), we get a palindrome (42636063624).

The spelling of 20323031322 in words is "twenty billion, three hundred twenty-three million, thirty-one thousand, three hundred twenty-two".