19903306200 has 192 divisors, whose sum is σ = 63190955520. Its totient is φ = 5179968000.

The previous prime is 19903306183. The next prime is 19903306211. The reversal of 19903306200 is 260330991.

It is a super-2 number, since 2×19903306200² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12999435 + ... + 13000965.

It is an arithmetic number, because the mean of its divisors is an integer number (329119560).

Almost surely, 2^19903306200 is an apocalyptic number.

19903306200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19903306200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31595477760).

19903306200 is an abundant number, since it is smaller than the sum of its proper divisors (43287649320).

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

19903306200 is a wasteful number, since it uses less digits than its factorization.

19903306200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The spelling of 19903306200 in words is "nineteen billion, nine hundred three million, three hundred six thousand, two hundred".