20241603999 has 16 divisors (see below), whose sum is σ = 29992552800. Its totient is φ = 13492156608.

The previous prime is 20241603973. The next prime is 20241604027. The reversal of 20241603999 is 99930614202.

It is a happy number.

It is not a de Polignac number, because 20241603999 - 2¹³ = 20241595807 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20241613999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111657 + ... + 230109.

It is an arithmetic number, because the mean of its divisors is an integer number (1874534550).

Almost surely, 2^20241603999 is an apocalyptic number.

20241603999 is a deficient number, since it is larger than the sum of its proper divisors (9750948801).

20241603999 is a wasteful number, since it uses less digits than its factorization.

20241603999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124791 (or 124785 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 20241603999 in words is "twenty billion, two hundred forty-one million, six hundred three thousand, nine hundred ninety-nine".