20399119192 has 16 divisors (see below), whose sum is σ = 38250819000. Its totient is φ = 10198900800.

The previous prime is 20399119171. The next prime is 20399119199. The reversal of 20399119192 is 29191199302.

It is a super-2 number, since 2×20399119192² (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 (20399119199) 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, 64692 + ... + 212092.

Almost surely, 2^20399119192 is an apocalyptic number.

It is an amenable number.

20399119192 is a deficient number, since it is larger than the sum of its proper divisors (17851699808).

20399119192 is a wasteful number, since it uses less digits than its factorization.

20399119192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164706 (or 164702 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 46.

The spelling of 20399119192 in words is "twenty billion, three hundred ninety-nine million, one hundred nineteen thousand, one hundred ninety-two".