20242303999 has 16 divisors (see below), whose sum is σ = 21517091200. Its totient is φ = 18988688736.

The previous prime is 20242303981. The next prime is 20242304009. The reversal of 20242303999 is 99930324202.

It is a cyclic number.

It is not a de Polignac number, because 20242303999 - 2²⁵ = 20208749567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242303909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5554672 + ... + 5558314.

It is an arithmetic number, because the mean of its divisors is an integer number (1344818200).

Almost surely, 2^20242303999 is an apocalyptic number.

20242303999 is a deficient number, since it is larger than the sum of its proper divisors (1274787201).

20242303999 is a wasteful number, since it uses less digits than its factorization.

20242303999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 20242303999 in words is "twenty billion, two hundred forty-two million, three hundred three thousand, nine hundred ninety-nine".