19900990299 has 16 divisors (see below), whose sum is σ = 27907421184. Its totient is φ = 12597093600.

The previous prime is 19900990289. The next prime is 19900990301. The reversal of 19900990299 is 99209900991.

It is not a de Polignac number, because 19900990299 - 2⁵ = 19900990267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19900990229) 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, 2013837 + ... + 2023694.

It is an arithmetic number, because the mean of its divisors is an integer number (1744213824).

Almost surely, 2^19900990299 is an apocalyptic number.

19900990299 is a deficient number, since it is larger than the sum of its proper divisors (8006430885).

19900990299 is a wasteful number, since it uses less digits than its factorization.

19900990299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037618.

The product of its (nonzero) digits is 1062882, while the sum is 57.

The spelling of 19900990299 in words is "nineteen billion, nine hundred million, nine hundred ninety thousand, two hundred ninety-nine".