20323211099 has 8 divisors (see below), whose sum is σ = 20409661248. Its totient is φ = 20236930560.

The previous prime is 20323211081. The next prime is 20323211101. The reversal of 20323211099 is 99011232302.

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 20323211099 - 2²⁴ = 20306433883 is a prime.

It is a super-3 number, since 3×20323211099³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323211299) 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, 200699 + ... + 284475.

It is an arithmetic number, because the mean of its divisors is an integer number (2551207656).

Almost surely, 2^20323211099 is an apocalyptic number.

20323211099 is a deficient number, since it is larger than the sum of its proper divisors (86450149).

20323211099 is an equidigital number, since it uses as much as digits as its factorization.

20323211099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84805.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 20323211099 in words is "twenty billion, three hundred twenty-three million, two hundred eleven thousand, ninety-nine".