20204325499 has 8 divisors (see below), whose sum is σ = 20522543888. Its totient is φ = 19886597280.

The previous prime is 20204325481. The next prime is 20204325523. The reversal of 20204325499 is 99452340202.

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

It is a cyclic number.

It is not a de Polignac number, because 20204325499 - 2¹⁷ = 20204194427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20204325439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39012 + ... + 204769.

It is an arithmetic number, because the mean of its divisors is an integer number (2565317986).

Almost surely, 2^20204325499 is an apocalyptic number.

20204325499 is a deficient number, since it is larger than the sum of its proper divisors (318218389).

20204325499 is a wasteful number, since it uses less digits than its factorization.

20204325499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245085.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 20204325499 in words is "twenty billion, two hundred four million, three hundred twenty-five thousand, four hundred ninety-nine".