19900990300 has 36 divisors (see below), whose sum is σ = 43460247880. Its totient is φ = 7909686720.

The previous prime is 19900990289. The next prime is 19900990301. The reversal of 19900990300 is 309900991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19900990301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618090 + ... + 649489.

Almost surely, 2^19900990300 is an apocalyptic number.

19900990300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19900990300 is an abundant number, since it is smaller than the sum of its proper divisors (23559257580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19900990300 is a wasteful number, since it uses less digits than its factorization.

19900990300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267750 (or 1267743 counting only the distinct ones).

The product of its (nonzero) digits is 19683, while the sum is 40.

The spelling of 19900990300 in words is "nineteen billion, nine hundred million, nine hundred ninety thousand, three hundred".