20056030530 has 32 divisors (see below), whose sum is σ = 48146716224. Its totient is φ = 5346914496.

The previous prime is 20056030493. The next prime is 20056030531. The reversal of 20056030530 is 3503065002.

It is a self number, because there is not a number n which added to its sum of digits gives 20056030530.

It is not an unprimeable number, because it can be changed into a prime (20056030531) 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 in 15 ways as a sum of consecutive naturals, for example, 37804 + ... + 203816.

It is an arithmetic number, because the mean of its divisors is an integer number (1504584882).

Almost surely, 2^20056030530 is an apocalyptic number.

20056030530 is an abundant number, since it is smaller than the sum of its proper divisors (28090685694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20056030530 is a wasteful number, since it uses less digits than its factorization.

20056030530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170050.

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 20056030530 its reverse (3503065002), we get a palindrome (23559095532).

The spelling of 20056030530 in words is "twenty billion, fifty-six million, thirty thousand, five hundred thirty".