20114414521 has 2 divisors, whose sum is σ = 20114414522. Its totient is φ = 20114414520.

The previous prime is 20114414497. The next prime is 20114414527. The reversal of 20114414521 is 12541441102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16093459600 + 4020954921 = 126860^2 + 63411^2 .

It is a cyclic number.

It is not a de Polignac number, because 20114414521 - 2⁹ = 20114414009 is a prime.

It is not a weakly prime, because it can be changed into another prime (20114414527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057207260 + 10057207261.

It is an arithmetic number, because the mean of its divisors is an integer number (10057207261).

Almost surely, 2^20114414521 is an apocalyptic number.

It is an amenable number.

20114414521 is a deficient number, since it is larger than the sum of its proper divisors (1).

20114414521 is an equidigital number, since it uses as much as digits as its factorization.

20114414521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 20114414521 its reverse (12541441102), we get a palindrome (32655855623).

The spelling of 20114414521 in words is "twenty billion, one hundred fourteen million, four hundred fourteen thousand, five hundred twenty-one".