20002011022100 has 72 divisors (see below), whose sum is σ = 44126569968768. Its totient is φ = 7868246601600.

The previous prime is 20002011022099. The next prime is 20002011022111. The reversal of 20002011022100 is 122011020002.

It is a happy number.

It is a congruent 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, 729392 + ... + 6366791.

It is an arithmetic number, because the mean of its divisors is an integer number (612869027344).

Almost surely, 2^{20002011022100} is an apocalyptic number.

20002011022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002011022100 is an abundant number, since it is smaller than the sum of its proper divisors (24124558946668).

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

20002011022100 is a wasteful number, since it uses less digits than its factorization.

20002011022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096665 (or 7096658 counting only the distinct ones).

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

Adding to 20002011022100 its reverse (122011020002), we get a palindrome (20124022042102).

The spelling of 20002011022100 in words is "twenty trillion, two billion, eleven million, twenty-two thousand, one hundred".