20166242363 has 16 divisors (see below), whose sum is σ = 21327448320. Its totient is φ = 19015178976.

The previous prime is 20166242323. The next prime is 20166242443. The reversal of 20166242363 is 36324266102.

It is a cyclic number.

It is not a de Polignac number, because 20166242363 - 2¹⁰ = 20166241339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20166242323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7193120 + ... + 7195922.

It is an arithmetic number, because the mean of its divisors is an integer number (1332965520).

Almost surely, 2^20166242363 is an apocalyptic number.

20166242363 is a deficient number, since it is larger than the sum of its proper divisors (1161205957).

20166242363 is a wasteful number, since it uses less digits than its factorization.

20166242363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 20166242363 in words is "twenty billion, one hundred sixty-six million, two hundred forty-two thousand, three hundred sixty-three".