20013101100 has 108 divisors (see below), whose sum is σ = 63485973096. Its totient is φ = 5272508160.

The previous prime is 20013101099. The next prime is 20013101111. The reversal of 20013101100 is 110131002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59257 + ... + 208656.

Almost surely, 2^20013101100 is an apocalyptic number.

20013101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013101100 is an abundant number, since it is smaller than the sum of its proper divisors (43472871996).

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

20013101100 is a wasteful number, since it uses less digits than its factorization.

20013101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268016 (or 268006 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 20013101100 its reverse (110131002), we get a palindrome (20123232102).

The spelling of 20013101100 in words is "twenty billion, thirteen million, one hundred one thousand, one hundred".