20020313131300 has 36 divisors (see below), whose sum is σ = 43446675415360. Its totient is φ = 8007646741920.

The previous prime is 20020313131297. The next prime is 20020313131309. The reversal of 20020313131300 is 313131302002.

It is a super-2 number, since 2×20020313131300² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20020313131309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4297104 + ... + 7648903.

Almost surely, 2^{20020313131300} is an apocalyptic number.

20020313131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020313131300 is an abundant number, since it is smaller than the sum of its proper divisors (23426362284060).

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

20020313131300 is a wasteful number, since it uses less digits than its factorization.

20020313131300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11962780 (or 11962773 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20020313131300 its reverse (313131302002), we get a palindrome (20333444433302).

The spelling of 20020313131300 in words is "twenty trillion, twenty billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred".