20025442232499 has 64 divisors (see below), whose sum is σ = 32514027678720. Its totient is φ = 10813431889920.

The previous prime is 20025442232479. The next prime is 20025442232503. The reversal of 20025442232499 is 99423224452002.

It is not a de Polignac number, because 20025442232499 - 2²⁴ = 20025425455283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20025442232429) 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 63 ways as a sum of consecutive naturals, for example, 6748404 + ... + 9251585.

It is an arithmetic number, because the mean of its divisors is an integer number (508031682480).

Almost surely, 2^{20025442232499} is an apocalyptic number.

20025442232499 is a deficient number, since it is larger than the sum of its proper divisors (12488585446221).

20025442232499 is a wasteful number, since it uses less digits than its factorization.

20025442232499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000140.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 20025442232499 in words is "twenty trillion, twenty-five billion, four hundred forty-two million, two hundred thirty-two thousand, four hundred ninety-nine".