20313121223310 has 32 divisors (see below), whose sum is σ = 48936857840640. Its totient is φ = 5396236003488.

The previous prime is 20313121223279. The next prime is 20313121223321. The reversal of 20313121223310 is 1332212131302.

It is a super-2 number, since 2×20313121223310² (a number of 27 digits) contains 22 as substring.

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, 1287262150 + ... + 1287277929.

It is an arithmetic number, because the mean of its divisors is an integer number (1529276807520).

Almost surely, 2^{20313121223310} is an apocalyptic number.

20313121223310 is an abundant number, since it is smaller than the sum of its proper divisors (28623736617330).

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

20313121223310 is a wasteful number, since it uses less digits than its factorization.

20313121223310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574540352.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20313121223310 its reverse (1332212131302), we get a palindrome (21645333354612).

The spelling of 20313121223310 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred twenty-three thousand, three hundred ten".