20303113200 has 60 divisors (see below), whose sum is σ = 65037643128. Its totient is φ = 5414163200.

The previous prime is 20303113199. The next prime is 20303113241. The reversal of 20303113200 is 231130302.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×20303113200² (a number of 21 digits) contains 22 as substring.

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 20303113200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8458431 + ... + 8460830.

Almost surely, 2^20303113200 is an apocalyptic number.

20303113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20303113200 is an abundant number, since it is smaller than the sum of its proper divisors (44734529928).

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

20303113200 is a wasteful number, since it uses less digits than its factorization.

20303113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16919282 (or 16919271 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20303113200 its reverse (231130302), we get a palindrome (20534243502).

The spelling of 20303113200 in words is "twenty billion, three hundred three million, one hundred thirteen thousand, two hundred".