20000199999 has 64 divisors (see below), whose sum is σ = 30433148928. Its totient is φ = 11590972800.

The previous prime is 20000199983. The next prime is 20000200021. The reversal of 20000199999 is 99999100002.

It is not a de Polignac number, because 20000199999 - 2⁴ = 20000199983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000199199) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18331444 + ... + 18332534.

It is an arithmetic number, because the mean of its divisors is an integer number (475517952).

Almost surely, 2^20000199999 is an apocalyptic number.

20000199999 is a deficient number, since it is larger than the sum of its proper divisors (10432948929).

20000199999 is a wasteful number, since it uses less digits than its factorization.

20000199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its (nonzero) digits is 118098, while the sum is 48.

The spelling of 20000199999 in words is "twenty billion, one hundred ninety-nine thousand, nine hundred ninety-nine".