20313130222 has 32 divisors (see below), whose sum is σ = 38763475200. Its totient is φ = 7914203640.

The previous prime is 20313130213. The next prime is 20313130309. The reversal of 20313130222 is 22203131302.

It is a self number, because there is not a number n which added to its sum of digits gives 20313130222.

It is a congruent number.

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, 1338408 + ... + 1353499.

It is an arithmetic number, because the mean of its divisors is an integer number (1211358600).

Almost surely, 2^20313130222 is an apocalyptic number.

20313130222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20313130222 is a deficient number, since it is larger than the sum of its proper divisors (18450344978).

20313130222 is a wasteful number, since it uses less digits than its factorization.

20313130222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691941 (or 2691927 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20313130222 its reverse (22203131302), we get a palindrome (42516261524).

It can be divided in two parts, 203131302 and 22, that multiplied together give a palindrome (4468888644).

The spelling of 20313130222 in words is "twenty billion, three hundred thirteen million, one hundred thirty thousand, two hundred twenty-two".