20202018701 has 2 divisors, whose sum is σ = 20202018702. Its totient is φ = 20202018700.

The previous prime is 20202018649. The next prime is 20202018721. The reversal of 20202018701 is 10781020202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14871558601 + 5330460100 = 121949^2 + 73010^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202018701 - 2⁶ = 20202018637 is a prime.

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 (20202018721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101009350 + 10101009351.

It is an arithmetic number, because the mean of its divisors is an integer number (10101009351).

Almost surely, 2^20202018701 is an apocalyptic number.

It is an amenable number.

20202018701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202018701 is an equidigital number, since it uses as much as digits as its factorization.

20202018701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 20202018701 its reverse (10781020202), we get a palindrome (30983038903).

The spelling of 20202018701 in words is "twenty billion, two hundred two million, eighteen thousand, seven hundred one".