20122331293 has 2 divisors, whose sum is σ = 20122331294. Its totient is φ = 20122331292.

The previous prime is 20122331279. The next prime is 20122331371. The reversal of 20122331293 is 39213322102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11724991524 + 8397339769 = 108282^2 + 91637^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122331293 - 2¹³ = 20122323101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122331233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061165646 + 10061165647.

It is an arithmetic number, because the mean of its divisors is an integer number (10061165647).

Almost surely, 2^20122331293 is an apocalyptic number.

It is an amenable number.

20122331293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122331293 is an equidigital number, since it uses as much as digits as its factorization.

20122331293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 20122331293 its reverse (39213322102), we get a palindrome (59335653395).

The spelling of 20122331293 in words is "twenty billion, one hundred twenty-two million, three hundred thirty-one thousand, two hundred ninety-three".