20313030000000 has 512 divisors, whose sum is σ = 67644951828480. Its totient is φ = 5400800000000.

The previous prime is 20313029999987. The next prime is 20313030000019. The reversal of 20313030000000 is 3031302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12929999215 + ... + 12930000785.

It is an arithmetic number, because the mean of its divisors is an integer number (132119046540).

Almost surely, 2^{20313030000000} is an apocalyptic number.

20313030000000 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 20313030000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33822475914240).

20313030000000 is an abundant number, since it is smaller than the sum of its proper divisors (47331921828480).

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

20313030000000 is an frugal number, since it uses more digits than its factorization.

20313030000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 20313030000000 its reverse (3031302), we get a palindrome (20313033031302).

The spelling of 20313030000000 in words is "twenty trillion, three hundred thirteen billion, thirty million", and thus it is an aban number.