20304611035206 has 32 divisors (see below), whose sum is σ = 42010313506560. Its totient is φ = 6534697032864.

The previous prime is 20304611035171. The next prime is 20304611035211. The reversal of 20304611035206 is 60253011640302.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8656431 + ... + 10749093.

It is an arithmetic number, because the mean of its divisors is an integer number (1312822297080).

Almost surely, 2^{20304611035206} is an apocalyptic number.

20304611035206 is an abundant number, since it is smaller than the sum of its proper divisors (21705702471354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20304611035206 is a wasteful number, since it uses less digits than its factorization.

20304611035206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148460.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 20304611035206 its reverse (60253011640302), we get a palindrome (80557622675508).

The spelling of 20304611035206 in words is "twenty trillion, three hundred four billion, six hundred eleven million, thirty-five thousand, two hundred six".