19946269900 has 36 divisors (see below), whose sum is σ = 43349031040. Its totient is φ = 7966411200.

The previous prime is 19946269853. The next prime is 19946269913. The reversal of 19946269900 is 996264991.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84780 + ... + 216979.

Almost surely, 2^19946269900 is an apocalyptic number.

19946269900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19946269900 is an abundant number, since it is smaller than the sum of its proper divisors (23402761140).

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

19946269900 is a wasteful number, since it uses less digits than its factorization.

19946269900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302434 (or 302427 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 19946269900 in words is "nineteen billion, nine hundred forty-six million, two hundred sixty-nine thousand, nine hundred".