200139022190 has 32 divisors (see below), whose sum is σ = 372266945280. Its totient is φ = 77390726400.

The previous prime is 200139022183. The next prime is 200139022207. The reversal of 200139022190 is 91220931002.

It is a super-2 number, since 2×200139022190² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51335 + ... + 634754.

It is an arithmetic number, because the mean of its divisors is an integer number (11633342040).

Almost surely, 2^200139022190 is an apocalyptic number.

200139022190 is a deficient number, since it is larger than the sum of its proper divisors (172127923090).

200139022190 is a wasteful number, since it uses less digits than its factorization.

200139022190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687068.

The product of its (nonzero) digits is 1944, while the sum is 29.

Subtracting from 200139022190 its sum of digits (29), we obtain a square (200139022161 = 447369²).

Adding to 200139022190 its reverse (91220931002), we get a palindrome (291359953192).

The spelling of 200139022190 in words is "two hundred billion, one hundred thirty-nine million, twenty-two thousand, one hundred ninety".