20202220202701 has 2 divisors, whose sum is σ = 20202220202702. Its totient is φ = 20202220202700.

The previous prime is 20202220202699. The next prime is 20202220202707. The reversal of 20202220202701 is 10720202220202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20079127988676 + 123092214025 = 4480974^2 + 350845^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202220202701 - 2¹ = 20202220202699 is a prime.

It is a super-2 number, since 2×20202220202701² (a number of 27 digits) contains 22 as substring.

Together with 20202220202699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202220202707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101110101350 + 10101110101351.

It is an arithmetic number, because the mean of its divisors is an integer number (10101110101351).

Almost surely, 2^{20202220202701} is an apocalyptic number.

It is an amenable number.

20202220202701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202220202701 is an equidigital number, since it uses as much as digits as its factorization.

20202220202701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 20202220202701 its reverse (10720202220202), we get a palindrome (30922422422903).

The spelling of 20202220202701 in words is "twenty trillion, two hundred two billion, two hundred twenty million, two hundred two thousand, seven hundred one".