200001000202120 has 64 divisors (see below), whose sum is σ = 487590923776320. Its totient is φ = 73393476966144.

The previous prime is 200001000202117. The next prime is 200001000202169. The reversal of 200001000202120 is 21202000100002.

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

It is a junction number, because it is equal to n+sod(n) for n = 200001000202097 and 200001000202106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179722934 + ... + 1179892453.

It is an arithmetic number, because the mean of its divisors is an integer number (7618608184005).

Almost surely, 2^{200001000202120} is an apocalyptic number.

200001000202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001000202120 is an abundant number, since it is smaller than the sum of its proper divisors (287589923574200).

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

200001000202120 is a wasteful number, since it uses less digits than its factorization.

200001000202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359615574 (or 2359615570 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200001000202120 its reverse (21202000100002), we get a palindrome (221203000302122).

The spelling of 200001000202120 in words is "two hundred trillion, one billion, two hundred two thousand, one hundred twenty".