20320002890983 has 2 divisors, whose sum is σ = 20320002890984. Its totient is φ = 20320002890982.

The previous prime is 20320002890959. The next prime is 20320002891119. The reversal of 20320002890983 is 38909820002302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20320002890983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20320002890953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160001445491 + 10160001445492.

It is an arithmetic number, because the mean of its divisors is an integer number (10160001445492).

Almost surely, 2^{20320002890983} is an apocalyptic number.

20320002890983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320002890983 is an equidigital number, since it uses as much as digits as its factorization.

20320002890983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 20320002890983 in words is "twenty trillion, three hundred twenty billion, two million, eight hundred ninety thousand, nine hundred eighty-three".