20002002212100 has 36 divisors (see below), whose sum is σ = 57872459734544. Its totient is φ = 5333867256480.

The previous prime is 20002002212099. The next prime is 20002002212113. The reversal of 20002002212100 is 121220020002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33336670054 + ... + 33336670653.

Almost surely, 2^{20002002212100} is an apocalyptic number.

20002002212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002002212100 is an abundant number, since it is smaller than the sum of its proper divisors (37870457522444).

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

20002002212100 is a wasteful number, since it uses less digits than its factorization.

20002002212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66673340724 (or 66673340717 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20002002212100 its reverse (121220020002), we get a palindrome (20123222232102).

The spelling of 20002002212100 in words is "twenty trillion, two billion, two million, two hundred twelve thousand, one hundred".