20113213311320 has 32 divisors (see below), whose sum is σ = 47636557844400. Its totient is φ = 7621849254528.

The previous prime is 20113213311307. The next prime is 20113213311341. The reversal of 20113213311320 is 2311331231102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13232376419 + ... + 13232377938.

Almost surely, 2^{20113213311320} is an apocalyptic number.

20113213311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113213311320 is an abundant number, since it is smaller than the sum of its proper divisors (27523344533080).

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

20113213311320 is a wasteful number, since it uses less digits than its factorization.

20113213311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26464754387 (or 26464754383 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20113213311320 its reverse (2311331231102), we get a palindrome (22424544542422).

The spelling of 20113213311320 in words is "twenty trillion, one hundred thirteen billion, two hundred thirteen million, three hundred eleven thousand, three hundred twenty".