20467047194 has 16 divisors (see below), whose sum is σ = 33571099296. Its totient is φ = 9281101200.

The previous prime is 20467047173. The next prime is 20467047257. The reversal of 20467047194 is 49174076402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095632 + ... + 1114155.

It is an arithmetic number, because the mean of its divisors is an integer number (2098193706).

Almost surely, 2^20467047194 is an apocalyptic number.

20467047194 is a deficient number, since it is larger than the sum of its proper divisors (13104052102).

20467047194 is a wasteful number, since it uses less digits than its factorization.

20467047194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210221.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 20467047194 in words is "twenty billion, four hundred sixty-seven million, forty-seven thousand, one hundred ninety-four".