20425335203204 has 12 divisors (see below), whose sum is σ = 36196796563200. Its totient is φ = 10083393328008.

The previous prime is 20425335203191. The next prime is 20425335203333. The reversal of 20425335203204 is 40230253352402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32318568044 + ... + 32318568675.

It is an arithmetic number, because the mean of its divisors is an integer number (3016399713600).

Almost surely, 2^{20425335203204} is an apocalyptic number.

It is an amenable number.

20425335203204 is a deficient number, since it is larger than the sum of its proper divisors (15771461359996).

20425335203204 is a wasteful number, since it uses less digits than its factorization.

20425335203204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64637136802 (or 64637136800 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 20425335203204 its reverse (40230253352402), we get a palindrome (60655588555606).

The spelling of 20425335203204 in words is "twenty trillion, four hundred twenty-five billion, three hundred thirty-five million, two hundred three thousand, two hundred four".