20310300000 has 216 divisors, whose sum is σ = 72195347952. Its totient is φ = 5415840000.

The previous prime is 20310299987. The next prime is 20310300019. The reversal of 20310300000 is 301302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 888717 + ... + 911283.

It is an arithmetic number, because the mean of its divisors is an integer number (334237722).

Almost surely, 2^20310300000 is an apocalyptic number.

20310300000 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 20310300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36097673976).

20310300000 is an abundant number, since it is smaller than the sum of its proper divisors (51885047952).

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

20310300000 is an equidigital number, since it uses as much as digits as its factorization.

20310300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22608 (or 22577 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 20310300000 its reverse (301302), we get a palindrome (20310601302).

The spelling of 20310300000 in words is "twenty billion, three hundred ten million, three hundred thousand".