20313020131000 has 128 divisors (see below), whose sum is σ = 48642951614400. Its totient is φ = 7935421132800.

The previous prime is 20313020130959. The next prime is 20313020131049. The reversal of 20313020131000 is 13102031302.

It is a super-2 number, since 2×20313020131000² (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 31 ways as a sum of consecutive naturals, for example, 559368844 + ... + 559405156.

Almost surely, 2^{20313020131000} is an apocalyptic number.

20313020131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20313020131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24321475807200).

20313020131000 is an abundant number, since it is smaller than the sum of its proper divisors (28329931483400).

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

20313020131000 is a wasteful number, since it uses less digits than its factorization.

20313020131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49386 (or 49372 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20313020131000 its reverse (13102031302), we get a palindrome (20326122162302).

The spelling of 20313020131000 in words is "twenty trillion, three hundred thirteen billion, twenty million, one hundred thirty-one thousand".