20331022123313 has 16 divisors (see below), whose sum is σ = 22276848940800. Its totient is φ = 18401459057280.

The previous prime is 20331022123309. The next prime is 20331022123319. The reversal of 20331022123313 is 31332122013302.

It is a cyclic number.

It is not a de Polignac number, because 20331022123313 - 2² = 20331022123309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331022123319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94024520 + ... + 94240502.

It is an arithmetic number, because the mean of its divisors is an integer number (1392303058800).

Almost surely, 2^{20331022123313} is an apocalyptic number.

It is an amenable number.

20331022123313 is a deficient number, since it is larger than the sum of its proper divisors (1945826817487).

20331022123313 is a wasteful number, since it uses less digits than its factorization.

20331022123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253592.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20331022123313 its reverse (31332122013302), we get a palindrome (51663144136615).

The spelling of 20331022123313 in words is "twenty trillion, three hundred thirty-one billion, twenty-two million, one hundred twenty-three thousand, three hundred thirteen".