20310230200 has 96 divisors (see below), whose sum is σ = 50895804960. Its totient is φ = 7492953600.

The previous prime is 20310230197. The next prime is 20310230207. The reversal of 20310230200 is 203201302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310230207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4175770 + ... + 4180630.

It is an arithmetic number, because the mean of its divisors is an integer number (530164635).

Almost surely, 2^20310230200 is an apocalyptic number.

20310230200 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 20310230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25447902480).

20310230200 is an abundant number, since it is smaller than the sum of its proper divisors (30585574760).

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

20310230200 is a wasteful number, since it uses less digits than its factorization.

20310230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497 (or 6488 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20310230200 its reverse (203201302), we get a palindrome (20513431502).

The spelling of 20310230200 in words is "twenty billion, three hundred ten million, two hundred thirty thousand, two hundred".