20013330199 has 4 divisors (see below), whose sum is σ = 20025337464. Its totient is φ = 20001322936.

The previous prime is 20013330191. The next prime is 20013330251. The reversal of 20013330199 is 99103331002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20013330199 - 2³ = 20013330191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20013330199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013330191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6001132 + ... + 6004465.

It is an arithmetic number, because the mean of its divisors is an integer number (5006334366).

Almost surely, 2^20013330199 is an apocalyptic number.

20013330199 is a deficient number, since it is larger than the sum of its proper divisors (12007265).

20013330199 is a wasteful number, since it uses less digits than its factorization.

20013330199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12007264.

The product of its (nonzero) digits is 4374, while the sum is 31.

The spelling of 20013330199 in words is "twenty billion, thirteen million, three hundred thirty thousand, one hundred ninety-nine".