20553570227383 has 2 divisors, whose sum is σ = 20553570227384. Its totient is φ = 20553570227382.

The previous prime is 20553570227327. The next prime is 20553570227419. The reversal of 20553570227383 is 38372207535502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20553570227383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20553570227383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20553570227683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10276785113691 + 10276785113692.

It is an arithmetic number, because the mean of its divisors is an integer number (10276785113692).

Almost surely, 2^{20553570227383} is an apocalyptic number.

20553570227383 is a deficient number, since it is larger than the sum of its proper divisors (1).

20553570227383 is an equidigital number, since it uses as much as digits as its factorization.

20553570227383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 52.

The spelling of 20553570227383 in words is "twenty trillion, five hundred fifty-three billion, five hundred seventy million, two hundred twenty-seven thousand, three hundred eighty-three".