20302122131306 has 16 divisors (see below), whose sum is σ = 31436969840640. Its totient is φ = 9823161890640.

The previous prime is 20302122131273. The next prime is 20302122131341. The reversal of 20302122131306 is 60313122120302.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6046601 + ... + 8784396.

It is an arithmetic number, because the mean of its divisors is an integer number (1964810615040).

Almost surely, 2^{20302122131306} is an apocalyptic number.

20302122131306 is a deficient number, since it is larger than the sum of its proper divisors (11134847709334).

20302122131306 is a wasteful number, since it uses less digits than its factorization.

20302122131306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14853109.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20302122131306 its reverse (60313122120302), we get a palindrome (80615244251608).

The spelling of 20302122131306 in words is "twenty trillion, three hundred two billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred six".