20110011100 has 36 divisors (see below), whose sum is σ = 44024932224. Its totient is φ = 7972814080.

The previous prime is 20110011083. The next prime is 20110011101. The reversal of 20110011100 is 111001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110011101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878524 + ... + 901123.

It is an arithmetic number, because the mean of its divisors is an integer number (1222914784).

Almost surely, 2^20110011100 is an apocalyptic number.

20110011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110011100 is an abundant number, since it is smaller than the sum of its proper divisors (23914921124).

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

20110011100 is a wasteful number, since it uses less digits than its factorization.

20110011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779774 (or 1779767 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 20110011100 its reverse (111001102), we get a palindrome (20221012202).

The spelling of 20110011100 in words is "twenty billion, one hundred ten million, eleven thousand, one hundred".