20204325533 has 16 divisors (see below), whose sum is σ = 23425303680. Its totient is φ = 17068724736.

The previous prime is 20204325523. The next prime is 20204325539. The reversal of 20204325533 is 33552340202.

It is not a de Polignac number, because 20204325533 - 2⁸ = 20204325277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20204325496 and 20204325505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204325539) 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, 70241 + ... + 212937.

It is an arithmetic number, because the mean of its divisors is an integer number (1464081480).

Almost surely, 2^20204325533 is an apocalyptic number.

It is an amenable number.

20204325533 is a deficient number, since it is larger than the sum of its proper divisors (3220978147).

20204325533 is a wasteful number, since it uses less digits than its factorization.

20204325533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142996.

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 20204325533 its reverse (33552340202), we get a palindrome (53756665735).

The spelling of 20204325533 in words is "twenty billion, two hundred four million, three hundred twenty-five thousand, five hundred thirty-three".