200020010202001 has 4 divisors (see below), whose sum is σ = 218203647493104. Its totient is φ = 181836372910900.

The previous prime is 200020010201959. The next prime is 200020010202013. The reversal of 200020010202001 is 100202010020002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200020010202001 - 2²⁷ = 200019875984273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200020010200001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9091818645535 + ... + 9091818645556.

It is an arithmetic number, because the mean of its divisors is an integer number (54550911873276).

Almost surely, 2^{200020010202001} is an apocalyptic number.

It is an amenable number.

200020010202001 is a deficient number, since it is larger than the sum of its proper divisors (18183637291103).

200020010202001 is a wasteful number, since it uses less digits than its factorization.

200020010202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18183637291102.

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

Adding to 200020010202001 its reverse (100202010020002), we get a palindrome (300222020222003).

The spelling of 200020010202001 in words is "two hundred trillion, twenty billion, ten million, two hundred two thousand, one".