20794918052 has 12 divisors (see below), whose sum is σ = 36427835136. Its totient is φ = 10386965160.

The previous prime is 20794918003. The next prime is 20794918057. The reversal of 20794918052 is 25081949702.

It is a junction number, because it is equal to n+sod(n) for n = 20794917988 and 20794918006.

It is not an unprimeable number, because it can be changed into a prime (20794918057) by changing a digit.

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, 2619008 + ... + 2626935.

It is an arithmetic number, because the mean of its divisors is an integer number (3035652928).

Almost surely, 2^20794918052 is an apocalyptic number.

It is an amenable number.

20794918052 is a deficient number, since it is larger than the sum of its proper divisors (15632917084).

20794918052 is a wasteful number, since it uses less digits than its factorization.

20794918052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246938 (or 5246936 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 20794918052 in words is "twenty billion, seven hundred ninety-four million, nine hundred eighteen thousand, fifty-two".