20541530701 has 2 divisors, whose sum is σ = 20541530702. Its totient is φ = 20541530700.

The previous prime is 20541530579. The next prime is 20541530707. The reversal of 20541530701 is 10703514502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18130622500 + 2410908201 = 134650^2 + 49101^2 .

It is a cyclic number.

It is not a de Polignac number, because 20541530701 - 2⁷ = 20541530573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20541530701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20541530707) 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, 10270765350 + 10270765351.

It is an arithmetic number, because the mean of its divisors is an integer number (10270765351).

Almost surely, 2^20541530701 is an apocalyptic number.

It is an amenable number.

20541530701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20541530701 is an equidigital number, since it uses as much as digits as its factorization.

20541530701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 20541530701 in words is "twenty billion, five hundred forty-one million, five hundred thirty thousand, seven hundred one".