20616037043 has 16 divisors (see below), whose sum is σ = 24780128256. Its totient is φ = 16778193120.

The previous prime is 20616037021. The next prime is 20616037061. The reversal of 20616037043 is 34073061602.

It is a cyclic number.

It is not a de Polignac number, because 20616037043 - 2²² = 20611842739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20616037073) 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, 884771 + ... + 907772.

It is an arithmetic number, because the mean of its divisors is an integer number (1548758016).

Almost surely, 2^20616037043 is an apocalyptic number.

20616037043 is a deficient number, since it is larger than the sum of its proper divisors (4164091213).

20616037043 is a wasteful number, since it uses less digits than its factorization.

20616037043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792634.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 20616037043 its reverse (34073061602), we get a palindrome (54689098645).

The spelling of 20616037043 in words is "twenty billion, six hundred sixteen million, thirty-seven thousand, forty-three".