20202011221207 has 2 divisors, whose sum is σ = 20202011221208. Its totient is φ = 20202011221206.

The previous prime is 20202011221187. The next prime is 20202011221229. The reversal of 20202011221207 is 70212211020202.

It is an a-pointer prime, because the next prime (20202011221229) can be obtained adding 20202011221207 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202011221207 - 2¹⁵ = 20202011188439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202011221807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101005610603 + 10101005610604.

It is an arithmetic number, because the mean of its divisors is an integer number (10101005610604).

Almost surely, 2^{20202011221207} is an apocalyptic number.

20202011221207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202011221207 is an equidigital number, since it uses as much as digits as its factorization.

20202011221207 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 22.

Adding to 20202011221207 its reverse (70212211020202), we get a palindrome (90414222241409).

The spelling of 20202011221207 in words is "twenty trillion, two hundred two billion, eleven million, two hundred twenty-one thousand, two hundred seven".