20122232353 has 2 divisors, whose sum is σ = 20122232354. Its totient is φ = 20122232352.

The previous prime is 20122232327. The next prime is 20122232363. The reversal of 20122232353 is 35323222102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20109508864 + 12723489 = 141808^2 + 3567^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122232353 - 2¹⁷ = 20122101281 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122232363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061116176 + 10061116177.

It is an arithmetic number, because the mean of its divisors is an integer number (10061116177).

Almost surely, 2^20122232353 is an apocalyptic number.

It is an amenable number.

20122232353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122232353 is an equidigital number, since it uses as much as digits as its factorization.

20122232353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20122232353 its reverse (35323222102), we get a palindrome (55445454455).

The spelling of 20122232353 in words is "twenty billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred fifty-three".