20572622033563 has 2 divisors, whose sum is σ = 20572622033564. Its totient is φ = 20572622033562.

The previous prime is 20572622033527. The next prime is 20572622033659. The reversal of 20572622033563 is 36533022627502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20572622033563 is a prime.

It is not a weakly prime, because it can be changed into another prime (20572622030563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10286311016781 + 10286311016782.

It is an arithmetic number, because the mean of its divisors is an integer number (10286311016782).

Almost surely, 2^{20572622033563} is an apocalyptic number.

20572622033563 is a deficient number, since it is larger than the sum of its proper divisors (1).

20572622033563 is an equidigital number, since it uses as much as digits as its factorization.

20572622033563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 46.

The spelling of 20572622033563 in words is "twenty trillion, five hundred seventy-two billion, six hundred twenty-two million, thirty-three thousand, five hundred sixty-three".