20016230056 has 48 divisors (see below), whose sum is σ = 39440136960. Its totient is φ = 9522474720.

The previous prime is 20016230021. The next prime is 20016230063. The reversal of 20016230056 is 65003261002.

It is a self number, because there is not a number n which added to its sum of digits gives 20016230056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 795931 + ... + 820693.

It is an arithmetic number, because the mean of its divisors is an integer number (821669520).

Almost surely, 2^20016230056 is an apocalyptic number.

It is an amenable number.

20016230056 is a deficient number, since it is larger than the sum of its proper divisors (19423906904).

20016230056 is a wasteful number, since it uses less digits than its factorization.

20016230056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25006 (or 24979 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 20016230056 its reverse (65003261002), we get a palindrome (85019491058).

The spelling of 20016230056 in words is "twenty billion, sixteen million, two hundred thirty thousand, fifty-six".