200020120001 has 8 divisors (see below), whose sum is σ = 215415587520. Its totient is φ = 184625981712.

The previous prime is 200020119979. The next prime is 200020120043. The reversal of 200020120001 is 100021020002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200020120001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200020120061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8045 + ... + 632538.

It is an arithmetic number, because the mean of its divisors is an integer number (26926948440).

Almost surely, 2^200020120001 is an apocalyptic number.

It is an amenable number.

200020120001 is a deficient number, since it is larger than the sum of its proper divisors (15395467519).

200020120001 is a wasteful number, since it uses less digits than its factorization.

200020120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664615.

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

Adding to 200020120001 its reverse (100021020002), we get a palindrome (300041140003).

Subtracting from 200020120001 its reverse (100021020002), we obtain a palindrome (99999099999).

It can be divided in two parts, 2000201 and 20001, that added together give a palindrome (2020202).

The spelling of 200020120001 in words is "two hundred billion, twenty million, one hundred twenty thousand, one".