220323031937 has 2 divisors, whose sum is σ = 220323031938. Its totient is φ = 220323031936.

The previous prime is 220323031927. The next prime is 220323032051. The reversal of 220323031937 is 739130323022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139816914241 + 80506117696 = 373921^2 + 283736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220323031937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220323031897 and 220323031906.

It is not a weakly prime, because it can be changed into another prime (220323031927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110161515968 + 110161515969.

It is an arithmetic number, because the mean of its divisors is an integer number (110161515969).

Almost surely, 2^220323031937 is an apocalyptic number.

It is an amenable number.

220323031937 is a deficient number, since it is larger than the sum of its proper divisors (1).

220323031937 is an equidigital number, since it uses as much as digits as its factorization.

220323031937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 35.

Adding to 220323031937 its reverse (739130323022), we get a palindrome (959453354959).

The spelling of 220323031937 in words is "two hundred twenty billion, three hundred twenty-three million, thirty-one thousand, nine hundred thirty-seven".