20350020436201 has 2 divisors, whose sum is σ = 20350020436202. Its totient is φ = 20350020436200.

The previous prime is 20350020436177. The next prime is 20350020436261. The reversal of 20350020436201 is 10263402005302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19273645310976 + 1076375125225 = 4390176^2 + 1037485^2 .

It is a cyclic number.

It is not a de Polignac number, because 20350020436201 - 2¹⁷ = 20350020305129 is a prime.

It is a super-2 number, since 2×20350020436201² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20350020436201.

It is not a weakly prime, because it can be changed into another prime (20350020436261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10175010218100 + 10175010218101.

It is an arithmetic number, because the mean of its divisors is an integer number (10175010218101).

Almost surely, 2^{20350020436201} is an apocalyptic number.

It is an amenable number.

20350020436201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20350020436201 is an equidigital number, since it uses as much as digits as its factorization.

20350020436201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 20350020436201 in words is "twenty trillion, three hundred fifty billion, twenty million, four hundred thirty-six thousand, two hundred one".