20204435325 has 24 divisors (see below), whose sum is σ = 33528880800. Its totient is φ = 10735629760.

The previous prime is 20204435263. The next prime is 20204435357. The reversal of 20204435325 is 52353440202.

It is not a de Polignac number, because 20204435325 - 2¹² = 20204431229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20204435292 and 20204435301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480555 + ... + 520904.

It is an arithmetic number, because the mean of its divisors is an integer number (1397036700).

Almost surely, 2^20204435325 is an apocalyptic number.

20204435325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20204435325 is a deficient number, since it is larger than the sum of its proper divisors (13324445475).

20204435325 is a wasteful number, since it uses less digits than its factorization.

20204435325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001741 (or 1001736 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 20204435325 its reverse (52353440202), we get a palindrome (72557875527).

The spelling of 20204435325 in words is "twenty billion, two hundred four million, four hundred thirty-five thousand, three hundred twenty-five".