20225172441599 has 4 divisors (see below), whose sum is σ = 20527040687064. Its totient is φ = 19923304196136.

The previous prime is 20225172441571. The next prime is 20225172441623. The reversal of 20225172441599 is 99514427152202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20225172441599 - 2²⁰ = 20225171393023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20225172441599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225172446599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150934122632 + ... + 150934122765.

It is an arithmetic number, because the mean of its divisors is an integer number (5131760171766).

Almost surely, 2^{20225172441599} is an apocalyptic number.

20225172441599 is a deficient number, since it is larger than the sum of its proper divisors (301868245465).

20225172441599 is an equidigital number, since it uses as much as digits as its factorization.

20225172441599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301868245464.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 20225172441599 in words is "twenty trillion, two hundred twenty-five billion, one hundred seventy-two million, four hundred forty-one thousand, five hundred ninety-nine".