20270173562201 has 2 divisors, whose sum is σ = 20270173562202. Its totient is φ = 20270173562200.

The previous prime is 20270173562173. The next prime is 20270173562227. The reversal of 20270173562201 is 10226537107202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16161043206400 + 4109130355801 = 4020080^2 + 2027099^2 .

It is a cyclic number.

It is not a de Polignac number, because 20270173562201 - 2⁶ = 20270173562137 is a prime.

It is not a weakly prime, because it can be changed into another prime (20270173562501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10135086781100 + 10135086781101.

It is an arithmetic number, because the mean of its divisors is an integer number (10135086781101).

Almost surely, 2^{20270173562201} is an apocalyptic number.

It is an amenable number.

20270173562201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20270173562201 is an equidigital number, since it uses as much as digits as its factorization.

20270173562201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 20270173562201 in words is "twenty trillion, two hundred seventy billion, one hundred seventy-three million, five hundred sixty-two thousand, two hundred one".