20466005194 has 8 divisors (see below), whose sum is σ = 30737528388. Its totient is φ = 10220162400.

The previous prime is 20466005191. The next prime is 20466005221. The reversal of 20466005194 is 49150066402.

It can be written as a sum of positive squares in 2 ways, for example, as 20139299569 + 326705625 = 141913^2 + 18075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20466005191) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6418107 + ... + 6421294.

Almost surely, 2^20466005194 is an apocalyptic number.

20466005194 is a deficient number, since it is larger than the sum of its proper divisors (10271523194).

20466005194 is a wasteful number, since it uses less digits than its factorization.

20466005194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840200.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 20466005194 in words is "twenty billion, four hundred sixty-six million, five thousand, one hundred ninety-four".