20194818182 has 32 divisors (see below), whose sum is σ = 37783217664. Its totient is φ = 7864718400.

The previous prime is 20194818151. The next prime is 20194818197. The reversal of 20194818182 is 28181849102.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 346082 + ... + 400202.

It is an arithmetic number, because the mean of its divisors is an integer number (1180725552).

Almost surely, 2^20194818182 is an apocalyptic number.

20194818182 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20194818182 is a deficient number, since it is larger than the sum of its proper divisors (17588399482).

20194818182 is a wasteful number, since it uses less digits than its factorization.

20194818182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56564.

The product of its (nonzero) digits is 73728, while the sum is 44.

The spelling of 20194818182 in words is "twenty billion, one hundred ninety-four million, eight hundred eighteen thousand, one hundred eighty-two".