20332031383 has 2 divisors, whose sum is σ = 20332031384. Its totient is φ = 20332031382.

The previous prime is 20332031381. The next prime is 20332031413. The reversal of 20332031383 is 38313023302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20332031383 - 2¹ = 20332031381 is a prime.

Together with 20332031381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332031381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166015691 + 10166015692.

It is an arithmetic number, because the mean of its divisors is an integer number (10166015692).

Almost surely, 2^20332031383 is an apocalyptic number.

20332031383 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332031383 is an equidigital number, since it uses as much as digits as its factorization.

20332031383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20332031383 its reverse (38313023302), we get a palindrome (58645054685).

The spelling of 20332031383 in words is "twenty billion, three hundred thirty-two million, thirty-one thousand, three hundred eighty-three".