220194188472 has 16 divisors (see below), whose sum is σ = 550485471240. Its totient is φ = 73398062816.

The previous prime is 220194188443. The next prime is 220194188497. The reversal of 220194188472 is 274881491022.

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 3 ways as a sum of consecutive naturals, for example, 4587378903 + ... + 4587378950.

Almost surely, 2^220194188472 is an apocalyptic number.

It is an amenable number.

220194188472 is an abundant number, since it is smaller than the sum of its proper divisors (330291282768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220194188472 is a wasteful number, since it uses less digits than its factorization.

220194188472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174757862 (or 9174757858 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 220194188472 in words is "two hundred twenty billion, one hundred ninety-four million, one hundred eighty-eight thousand, four hundred seventy-two".