20313220200 has 192 divisors, whose sum is σ = 77502956160. Its totient is φ = 4285854720.

The previous prime is 20313220199. The next prime is 20313220217. The reversal of 20313220200 is 202231302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20313220200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131419 + ... + 240618.

It is an arithmetic number, because the mean of its divisors is an integer number (403661230).

Almost surely, 2^20313220200 is an apocalyptic number.

20313220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313220200 is an abundant number, since it is smaller than the sum of its proper divisors (57189735960).

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

20313220200 is a wasteful number, since it uses less digits than its factorization.

20313220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372076 (or 372067 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20313220200 its reverse (202231302), we get a palindrome (20515451502).

The spelling of 20313220200 in words is "twenty billion, three hundred thirteen million, two hundred twenty thousand, two hundred".