20122331371 has 2 divisors, whose sum is σ = 20122331372. Its totient is φ = 20122331370.

The previous prime is 20122331293. The next prime is 20122331399. The reversal of 20122331371 is 17313322102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20122331371 - 2⁹ = 20122330859 is a prime.

It is a super-3 number, since 3×20122331371³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20122331171) 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, 10061165685 + 10061165686.

It is an arithmetic number, because the mean of its divisors is an integer number (10061165686).

Almost surely, 2^20122331371 is an apocalyptic number.

20122331371 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122331371 is an equidigital number, since it uses as much as digits as its factorization.

20122331371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 20122331371 its reverse (17313322102), we get a palindrome (37435653473).

The spelling of 20122331371 in words is "twenty billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred seventy-one".