20623062056 has 16 divisors (see below), whose sum is σ = 40349469600. Its totient is φ = 9863203504.

The previous prime is 20623062013. The next prime is 20623062071. The reversal of 20623062056 is 65026032602.

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 3 ways as a sum of consecutive naturals, for example, 56040746 + ... + 56041113.

It is an arithmetic number, because the mean of its divisors is an integer number (2521841850).

Almost surely, 2^20623062056 is an apocalyptic number.

It is an amenable number.

20623062056 is a deficient number, since it is larger than the sum of its proper divisors (19726407544).

20623062056 is a wasteful number, since it uses less digits than its factorization.

20623062056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112081888 (or 112081884 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 20623062056 its reverse (65026032602), we get a palindrome (85649094658).

The spelling of 20623062056 in words is "twenty billion, six hundred twenty-three million, sixty-two thousand, fifty-six".