20002111020200 has 96 divisors (see below), whose sum is σ = 47068192130400. Its totient is φ = 7903947567360.

The previous prime is 20002111020137. The next prime is 20002111020251. The reversal of 20002111020200 is 202011120002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369472334 + ... + 369526466.

It is an arithmetic number, because the mean of its divisors is an integer number (490293668025).

Almost surely, 2^{20002111020200} is an apocalyptic number.

20002111020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002111020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23534096065200).

20002111020200 is an abundant number, since it is smaller than the sum of its proper divisors (27066081110200).

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

20002111020200 is a wasteful number, since it uses less digits than its factorization.

20002111020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76491 (or 76482 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20002111020200 its reverse (202011120002), we get a palindrome (20204122140202).

The spelling of 20002111020200 in words is "twenty trillion, two billion, one hundred eleven million, twenty thousand, two hundred".