20200011011100 has 54 divisors (see below), whose sum is σ = 63315812294280. Its totient is φ = 5386669602720.

The previous prime is 20200011011057. The next prime is 20200011011101. The reversal of 20200011011100 is 111011000202.

It is a happy number.

It is a super-2 number, since 2×20200011011100² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200011011101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11222227440 + ... + 11222229239.

Almost surely, 2^{20200011011100} is an apocalyptic number.

20200011011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200011011100 is an abundant number, since it is smaller than the sum of its proper divisors (43115801283180).

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

20200011011100 is a wasteful number, since it uses less digits than its factorization.

20200011011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22444456699 (or 22444456689 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20200011011100 its reverse (111011000202), we get a palindrome (20311022011302).

The spelling of 20200011011100 in words is "twenty trillion, two hundred billion, eleven million, eleven thousand, one hundred".