20011131300 has 36 divisors (see below), whose sum is σ = 57898874096. Its totient is φ = 5336301600.

The previous prime is 20011131289. The next prime is 20011131317. The reversal of 20011131300 is 313111002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33351586 + ... + 33352185.

Almost surely, 2^20011131300 is an apocalyptic number.

20011131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011131300 is an abundant number, since it is smaller than the sum of its proper divisors (37887742796).

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

20011131300 is a wasteful number, since it uses less digits than its factorization.

20011131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66703788 (or 66703781 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20011131300 its reverse (313111002), we get a palindrome (20324242302).

The spelling of 20011131300 in words is "twenty billion, eleven million, one hundred thirty-one thousand, three hundred".