20101120010200 has 96 divisors (see below), whose sum is σ = 47558122848720. Its totient is φ = 7900068800000.

The previous prime is 20101120010177. The next prime is 20101120010203. The reversal of 20101120010200 is 201002110102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101120010203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1151911 + ... + 6444310.

Almost surely, 2^{20101120010200} is an apocalyptic number.

20101120010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101120010200 is an abundant number, since it is smaller than the sum of its proper divisors (27457002838520).

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

20101120010200 is a wasteful number, since it uses less digits than its factorization.

20101120010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7596469 (or 7596460 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20101120010200 its reverse (201002110102), we get a palindrome (20302122120302).

The spelling of 20101120010200 in words is "twenty trillion, one hundred one billion, one hundred twenty million, ten thousand, two hundred".