20313322110 has 24 divisors (see below), whose sum is σ = 52814637720. Its totient is φ = 5416885872.

The previous prime is 20313322109. The next prime is 20313322147. The reversal of 20313322110 is 1122331302.

20313322110 is a `hidden beast` number, since 20 + 313 + 322 + 1 + 10 = 666.

It is a super-2 number, since 2×20313322110² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112851700 + ... + 112851879.

It is an arithmetic number, because the mean of its divisors is an integer number (2200609905).

Almost surely, 2^20313322110 is an apocalyptic number.

20313322110 is an abundant number, since it is smaller than the sum of its proper divisors (32501315610).

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

20313322110 is a wasteful number, since it uses less digits than its factorization.

20313322110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225703592 (or 225703589 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20313322110 its reverse (1122331302), we get a palindrome (21435653412).

The spelling of 20313322110 in words is "twenty billion, three hundred thirteen million, three hundred twenty-two thousand, one hundred ten".