20131032300 has 72 divisors (see below), whose sum is σ = 58293144000. Its totient is φ = 5363910720.

The previous prime is 20131032269. The next prime is 20131032319. The reversal of 20131032300 is 323013102.

It is a super-2 number, since 2×20131032300² (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 20131032300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351051 + ... + 404349.

It is an arithmetic number, because the mean of its divisors is an integer number (809627000).

Almost surely, 2^20131032300 is an apocalyptic number.

20131032300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131032300 is an abundant number, since it is smaller than the sum of its proper divisors (38162111700).

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

20131032300 is a wasteful number, since it uses less digits than its factorization.

20131032300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54575 (or 54568 counting only the distinct ones).

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

Adding to 20131032300 its reverse (323013102), we get a palindrome (20454045402).

The spelling of 20131032300 in words is "twenty billion, one hundred thirty-one million, thirty-two thousand, three hundred".