20331140344007 has 2 divisors, whose sum is σ = 20331140344008. Its totient is φ = 20331140344006.

The previous prime is 20331140343991. The next prime is 20331140344013. The reversal of 20331140344007 is 70044304113302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20331140344007 - 2⁴ = 20331140343991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20331140344057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165570172003 + 10165570172004.

It is an arithmetic number, because the mean of its divisors is an integer number (10165570172004).

Almost surely, 2^{20331140344007} is an apocalyptic number.

20331140344007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331140344007 is an equidigital number, since it uses as much as digits as its factorization.

20331140344007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 20331140344007 its reverse (70044304113302), we get a palindrome (90375444457309).

The spelling of 20331140344007 in words is "twenty trillion, three hundred thirty-one billion, one hundred forty million, three hundred forty-four thousand, seven".