20022013393 has 2 divisors, whose sum is σ = 20022013394. Its totient is φ = 20022013392.

The previous prime is 20022013387. The next prime is 20022013507. The reversal of 20022013393 is 39331022002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14831099089 + 5190914304 = 121783^2 + 72048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022013393 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022013793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011006696 + 10011006697.

It is an arithmetic number, because the mean of its divisors is an integer number (10011006697).

Almost surely, 2^20022013393 is an apocalyptic number.

It is an amenable number.

20022013393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022013393 is an equidigital number, since it uses as much as digits as its factorization.

20022013393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20022013393 its reverse (39331022002), we get a palindrome (59353035395).

The spelling of 20022013393 in words is "twenty billion, twenty-two million, thirteen thousand, three hundred ninety-three".