20412138701 has 2 divisors, whose sum is σ = 20412138702. Its totient is φ = 20412138700.

The previous prime is 20412138611. The next prime is 20412138749. The reversal of 20412138701 is 10783121402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14095863076 + 6316275625 = 118726^2 + 79475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20412138701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20412135701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206069350 + 10206069351.

It is an arithmetic number, because the mean of its divisors is an integer number (10206069351).

Almost surely, 2^20412138701 is an apocalyptic number.

It is an amenable number.

20412138701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20412138701 is an equidigital number, since it uses as much as digits as its factorization.

20412138701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 20412138701 in words is "twenty billion, four hundred twelve million, one hundred thirty-eight thousand, seven hundred one".