20200200022191 has 16 divisors (see below), whose sum is σ = 30781482470144. Its totient is φ = 11542886956224.

The previous prime is 20200200022183. The next prime is 20200200022229. The reversal of 20200200022191 is 19122000200202.

It is a happy number.

It is not a de Polignac number, because 20200200022191 - 2³ = 20200200022183 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 (20200200022591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523390 + ... + 6377643.

It is an arithmetic number, because the mean of its divisors is an integer number (1923842654384).

Almost surely, 2^{20200200022191} is an apocalyptic number.

20200200022191 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20200200022191 is a deficient number, since it is larger than the sum of its proper divisors (10581282447953).

20200200022191 is a wasteful number, since it uses less digits than its factorization.

20200200022191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040430.

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

Adding to 20200200022191 its reverse (19122000200202), we get a palindrome (39322200222393).

The spelling of 20200200022191 in words is "twenty trillion, two hundred billion, two hundred million, twenty-two thousand, one hundred ninety-one".