20412014261 has 2 divisors, whose sum is σ = 20412014262. Its totient is φ = 20412014260.

The previous prime is 20412014219. The next prime is 20412014267. The reversal of 20412014261 is 16241021402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15235211761 + 5176802500 = 123431^2 + 71950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20412014261 is a prime.

It is a super-2 number, since 2×20412014261² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20412014267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206007130 + 10206007131.

It is an arithmetic number, because the mean of its divisors is an integer number (10206007131).

Almost surely, 2^20412014261 is an apocalyptic number.

It is an amenable number.

20412014261 is a deficient number, since it is larger than the sum of its proper divisors (1).

20412014261 is an equidigital number, since it uses as much as digits as its factorization.

20412014261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20412014261 its reverse (16241021402), we get a palindrome (36653035663).

The spelling of 20412014261 in words is "twenty billion, four hundred twelve million, fourteen thousand, two hundred sixty-one".