20310311022 has 16 divisors (see below), whose sum is σ = 42758549760. Its totient is φ = 6413782392.

The previous prime is 20310311017. The next prime is 20310311027. The reversal of 20310311022 is 22011301302.

It is an interprime number because it is at equal distance from previous prime (20310311017) and next prime (20310311027).

It is a junction number, because it is equal to n+sod(n) for n = 20310310992 and 20310311010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310311027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89080198 + ... + 89080425.

It is an arithmetic number, because the mean of its divisors is an integer number (2672409360).

Almost surely, 2^20310311022 is an apocalyptic number.

20310311022 is an abundant number, since it is smaller than the sum of its proper divisors (22448238738).

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

20310311022 is a wasteful number, since it uses less digits than its factorization.

20310311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178160647.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20310311022 its reverse (22011301302), we get a palindrome (42321612324).

The spelling of 20310311022 in words is "twenty billion, three hundred ten million, three hundred eleven thousand, twenty-two".