20071043199 has 48 divisors (see below), whose sum is σ = 30783392640. Its totient is φ = 12584056320.

The previous prime is 20071043189. The next prime is 20071043263. The reversal of 20071043199 is 99134017002.

20071043199 is a `hidden beast` number, since 200 + 7 + 10 + 431 + 9 + 9 = 666.

It is not a de Polignac number, because 20071043199 - 2¹⁵ = 20071010431 is a prime.

It is a super-2 number, since 2×20071043199² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20071043119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1481434 + ... + 1494920.

It is an arithmetic number, because the mean of its divisors is an integer number (641320680).

Almost surely, 2^20071043199 is an apocalyptic number.

20071043199 is a deficient number, since it is larger than the sum of its proper divisors (10712349441).

20071043199 is a wasteful number, since it uses less digits than its factorization.

20071043199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13680 (or 13677 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 20071043199 in words is "twenty billion, seventy-one million, forty-three thousand, one hundred ninety-nine".