20873346682 has 4 divisors (see below), whose sum is σ = 31310020026. Its totient is φ = 10436673340.

The previous prime is 20873346649. The next prime is 20873346701. The reversal of 20873346682 is 28664337802.

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., 11759016721 + 9114329961 = 108439^2 + 95469^2 .

It is a super-3 number, since 3×20873346682³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5218336669 + ... + 5218336672.

Almost surely, 2^20873346682 is an apocalyptic number.

20873346682 is a deficient number, since it is larger than the sum of its proper divisors (10436673344).

20873346682 is a wasteful number, since it uses less digits than its factorization.

20873346682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10436673343.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 20873346682 in words is "twenty billion, eight hundred seventy-three million, three hundred forty-six thousand, six hundred eighty-two".