20112440351 has 2 divisors, whose sum is σ = 20112440352. Its totient is φ = 20112440350.

The previous prime is 20112440347. The next prime is 20112440363. The reversal of 20112440351 is 15304421102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112440351 - 2² = 20112440347 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112440651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056220175 + 10056220176.

It is an arithmetic number, because the mean of its divisors is an integer number (10056220176).

Almost surely, 2^20112440351 is an apocalyptic number.

20112440351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112440351 is an equidigital number, since it uses as much as digits as its factorization.

20112440351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20112440351 its reverse (15304421102), we get a palindrome (35416861453).

The spelling of 20112440351 in words is "twenty billion, one hundred twelve million, four hundred forty thousand, three hundred fifty-one".