20000000201099 has 4 divisors (see below), whose sum is σ = 20000983457280. Its totient is φ = 19999016944920.

The previous prime is 20000000201047. The next prime is 20000000201101. The reversal of 20000000201099 is 99010200000002.

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 20000000201099 - 2²⁴ = 19999983423883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000000204099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491597579 + ... + 491638260.

It is an arithmetic number, because the mean of its divisors is an integer number (5000245864320).

Almost surely, 2^{20000000201099} is an apocalyptic number.

20000000201099 is a deficient number, since it is larger than the sum of its proper divisors (983256181).

20000000201099 is an equidigital number, since it uses as much as digits as its factorization.

20000000201099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983256180.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 20000000201099 in words is "twenty trillion, two hundred one thousand, ninety-nine".