20079418682 has 4 divisors (see below), whose sum is σ = 30119128026. Its totient is φ = 10039709340.

The previous prime is 20079418657. The next prime is 20079418687. The reversal of 20079418682 is 28681497002.

It is a happy number.

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., 15537871801 + 4541546881 = 124651^2 + 67391^2 .

It is not an unprimeable number, because it can be changed into a prime (20079418687) 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 as a sum of consecutive naturals, namely, 5019854669 + ... + 5019854672.

Almost surely, 2^20079418682 is an apocalyptic number.

20079418682 is a deficient number, since it is larger than the sum of its proper divisors (10039709344).

20079418682 is a wasteful number, since it uses less digits than its factorization.

20079418682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039709343.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 20079418682 in words is "twenty billion, seventy-nine million, four hundred eighteen thousand, six hundred eighty-two".