20322989383 has 2 divisors, whose sum is σ = 20322989384. Its totient is φ = 20322989382.

The previous prime is 20322989339. The next prime is 20322989387. The reversal of 20322989383 is 38398922302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20322989383 - 2²⁵ = 20289434951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20322989387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161494691 + 10161494692.

It is an arithmetic number, because the mean of its divisors is an integer number (10161494692).

Almost surely, 2^20322989383 is an apocalyptic number.

20322989383 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322989383 is an equidigital number, since it uses as much as digits as its factorization.

20322989383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 20322989383 in words is "twenty billion, three hundred twenty-two million, nine hundred eighty-nine thousand, three hundred eighty-three".