20004304356525 has 24 divisors (see below), whose sum is σ = 33083802934624. Its totient is φ = 10665730152000.

The previous prime is 20004304356503. The next prime is 20004304356557. The reversal of 20004304356525 is 52565340340002.

It is not a de Polignac number, because 20004304356525 - 2⁹ = 20004304356013 is a prime.

It is a Duffinian number.

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, 40152919 + ... + 40648068.

Almost surely, 2^{20004304356525} is an apocalyptic number.

20004304356525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20004304356525 is a deficient number, since it is larger than the sum of its proper divisors (13079498578099).

20004304356525 is a wasteful number, since it uses less digits than its factorization.

20004304356525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80804301 (or 80804296 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 20004304356525 its reverse (52565340340002), we get a palindrome (72569644696527).

The spelling of 20004304356525 in words is "twenty trillion, four billion, three hundred four million, three hundred fifty-six thousand, five hundred twenty-five".