20379166226 has 4 divisors (see below), whose sum is σ = 30568749342. Its totient is φ = 10189583112.

The previous prime is 20379166219. The next prime is 20379166237. The reversal of 20379166226 is 62266197302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13415430625 + 6963735601 = 115825^2 + 83449^2 .

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 as a sum of consecutive naturals, namely, 5094791555 + ... + 5094791558.

Almost surely, 2^20379166226 is an apocalyptic number.

20379166226 is a deficient number, since it is larger than the sum of its proper divisors (10189583116).

20379166226 is a wasteful number, since it uses less digits than its factorization.

20379166226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10189583115.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 20379166226 in words is "twenty billion, three hundred seventy-nine million, one hundred sixty-six thousand, two hundred twenty-six".