20211423299 has 8 divisors (see below), whose sum is σ = 22008810000. Its totient is φ = 18487399392.

The previous prime is 20211423251. The next prime is 20211423311. The reversal of 20211423299 is 99232411202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211423299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211423499) 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, 18340124 + ... + 18341225.

It is an arithmetic number, because the mean of its divisors is an integer number (2751101250).

Almost surely, 2^20211423299 is an apocalyptic number.

20211423299 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20211423299 is a deficient number, since it is larger than the sum of its proper divisors (1797386701).

20211423299 is a wasteful number, since it uses less digits than its factorization.

20211423299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36681397.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20211423299 in words is "twenty billion, two hundred eleven million, four hundred twenty-three thousand, two hundred ninety-nine".