19929912201 has 24 divisors (see below), whose sum is σ = 28869224384. Its totient is φ = 13249020960.

The previous prime is 19929912181. The next prime is 19929912221. The reversal of 19929912201 is 10221992991.

It is an interprime number because it is at equal distance from previous prime (19929912181) and next prime (19929912221).

It is not a de Polignac number, because 19929912201 - 2⁵ = 19929912169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19929912221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5523540 + ... + 5527146.

Almost surely, 2^19929912201 is an apocalyptic number.

It is an amenable number.

19929912201 is a deficient number, since it is larger than the sum of its proper divisors (8939312183).

19929912201 is a wasteful number, since it uses less digits than its factorization.

19929912201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181 (or 5178 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 19929912201 in words is "nineteen billion, nine hundred twenty-nine million, nine hundred twelve thousand, two hundred one".