20110011200 has 42 divisors (see below), whose sum is σ = 49483200246. Its totient is φ = 8044003840.

The previous prime is 20110011143. The next prime is 20110011203. The reversal of 20110011200 is 211001102.

It can be written as a sum of positive squares in 3 ways, for example, as 61716736 + 20048294464 = 7856^2 + 141592^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110011203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6282779 + ... + 6285978.

Almost surely, 2^20110011200 is an apocalyptic number.

20110011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110011200 is an abundant number, since it is smaller than the sum of its proper divisors (29373189046).

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

20110011200 is a wasteful number, since it uses less digits than its factorization.

20110011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12568779 (or 12568764 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20110011200 its reverse (211001102), we get a palindrome (20321012302).

The spelling of 20110011200 in words is "twenty billion, one hundred ten million, eleven thousand, two hundred".