20320210044031 has 2 divisors, whose sum is σ = 20320210044032. Its totient is φ = 20320210044030.

The previous prime is 20320210043999. The next prime is 20320210044047. The reversal of 20320210044031 is 13044001202302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20320210044031 - 2⁵ = 20320210043999 is a prime.

It is a super-2 number, since 2×20320210044031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20320210043993 and 20320210044011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20320210044731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160105022015 + 10160105022016.

It is an arithmetic number, because the mean of its divisors is an integer number (10160105022016).

Almost surely, 2^{20320210044031} is an apocalyptic number.

20320210044031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320210044031 is an equidigital number, since it uses as much as digits as its factorization.

20320210044031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20320210044031 its reverse (13044001202302), we get a palindrome (33364211246333).

The spelling of 20320210044031 in words is "twenty trillion, three hundred twenty billion, two hundred ten million, forty-four thousand, thirty-one".