20332830673 has 4 divisors (see below), whose sum is σ = 20666155828. Its totient is φ = 19999505520.

The previous prime is 20332830647. The next prime is 20332830689. The reversal of 20332830673 is 37603823302.

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 2 ways, for example, as 7594773904 + 12738056769 = 87148^2 + 112863^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332830673 - 2⁵ = 20332830641 is a prime.

It is a super-4 number, since 4×20332830673⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332830613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166662486 + ... + 166662607.

It is an arithmetic number, because the mean of its divisors is an integer number (5166538957).

Almost surely, 2^20332830673 is an apocalyptic number.

It is an amenable number.

20332830673 is a deficient number, since it is larger than the sum of its proper divisors (333325155).

20332830673 is an equidigital number, since it uses as much as digits as its factorization.

20332830673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333325154.

The product of its (nonzero) digits is 108864, while the sum is 37.

The spelling of 20332830673 in words is "twenty billion, three hundred thirty-two million, eight hundred thirty thousand, six hundred seventy-three".