200220020002191 has 64 divisors (see below), whose sum is σ = 344835771678720. Its totient is φ = 100577099589120.

The previous prime is 200220020002151. The next prime is 200220020002201. The reversal of 200220020002191 is 191200020022002.

It is a happy number.

It is not a de Polignac number, because 200220020002191 - 2¹⁰ = 200220020001167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200220020002151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 207391051 + ... + 208354236.

It is an arithmetic number, because the mean of its divisors is an integer number (5388058932480).

Almost surely, 2^{200220020002191} is an apocalyptic number.

200220020002191 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

200220020002191 is a deficient number, since it is larger than the sum of its proper divisors (144615751676529).

200220020002191 is a wasteful number, since it uses less digits than its factorization.

200220020002191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415745404.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 200220020002191 its reverse (191200020022002), we get a palindrome (391420040024193).

The spelling of 200220020002191 in words is "two hundred trillion, two hundred twenty billion, twenty million, two thousand, one hundred ninety-one".