20782382194 has 16 divisors (see below), whose sum is σ = 36230788800. Its totient is φ = 8755773264.

The previous prime is 20782382189. The next prime is 20782382227. The reversal of 20782382194 is 49128328702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12579309 + ... + 12580960.

It is an arithmetic number, because the mean of its divisors is an integer number (2264424300).

Almost surely, 2^20782382194 is an apocalyptic number.

20782382194 is a deficient number, since it is larger than the sum of its proper divisors (15448406606).

20782382194 is a wasteful number, since it uses less digits than its factorization.

20782382194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25160337.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 20782382194 in words is "twenty billion, seven hundred eighty-two million, three hundred eighty-two thousand, one hundred ninety-four".