20045322340201 has 2 divisors, whose sum is σ = 20045322340202. Its totient is φ = 20045322340200.

The previous prime is 20045322340129. The next prime is 20045322340279. The reversal of 20045322340201 is 10204322354002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15667703480025 + 4377618860176 = 3958245^2 + 2092276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20045322340201 is a prime.

It is a super-2 number, since 2×20045322340201² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20045322340201.

It is not a weakly prime, because it can be changed into another prime (20045322340801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022661170100 + 10022661170101.

It is an arithmetic number, because the mean of its divisors is an integer number (10022661170101).

Almost surely, 2^{20045322340201} is an apocalyptic number.

It is an amenable number.

20045322340201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20045322340201 is an equidigital number, since it uses as much as digits as its factorization.

20045322340201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20045322340201 its reverse (10204322354002), we get a palindrome (30249644694203).

The spelling of 20045322340201 in words is "twenty trillion, forty-five billion, three hundred twenty-two million, three hundred forty thousand, two hundred one".