20205332099 has 8 divisors (see below), whose sum is σ = 21397776480. Its totient is φ = 19013320576.

The previous prime is 20205332047. The next prime is 20205332111. The reversal of 20205332099 is 99023350202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20205332099 - 2⁸ = 20205331843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20205332009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9524 + ... + 201249.

It is an arithmetic number, because the mean of its divisors is an integer number (2674722060).

Almost surely, 2^20205332099 is an apocalyptic number.

20205332099 is a deficient number, since it is larger than the sum of its proper divisors (1192444381).

20205332099 is a wasteful number, since it uses less digits than its factorization.

20205332099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216429.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 20205332099 in words is "twenty billion, two hundred five million, three hundred thirty-two thousand, ninety-nine".