20583118330 has 16 divisors (see below), whose sum is σ = 37203350184. Its totient is φ = 8199083520.

The previous prime is 20583118321. The next prime is 20583118333. The reversal of 20583118330 is 3381138502.

It can be written as a sum of positive squares in 4 ways, for example, as 15328173249 + 5254945081 = 123807^2 + 72491^2 .

It is not an unprimeable number, because it can be changed into a prime (20583118333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4267947 + ... + 4272766.

Almost surely, 2^20583118330 is an apocalyptic number.

20583118330 is a deficient number, since it is larger than the sum of its proper divisors (16620231854).

20583118330 is a wasteful number, since it uses less digits than its factorization.

20583118330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540961.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 20583118330 in words is "twenty billion, five hundred eighty-three million, one hundred eighteen thousand, three hundred thirty".