20112440347 has 2 divisors, whose sum is σ = 20112440348. Its totient is φ = 20112440346.

The previous prime is 20112440303. The next prime is 20112440351. The reversal of 20112440347 is 74304421102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112440347 - 2¹¹ = 20112438299 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112440377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056220173 + 10056220174.

It is an arithmetic number, because the mean of its divisors is an integer number (10056220174).

Almost surely, 2^20112440347 is an apocalyptic number.

20112440347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112440347 is an equidigital number, since it uses as much as digits as its factorization.

20112440347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 20112440347 its reverse (74304421102), we get a palindrome (94416861449).

The spelling of 20112440347 in words is "twenty billion, one hundred twelve million, four hundred forty thousand, three hundred forty-seven".