20914087148 has 6 divisors (see below), whose sum is σ = 36599652516. Its totient is φ = 10457043572.

The previous prime is 20914087133. The next prime is 20914087169. The reversal of 20914087148 is 84178041902.

It is a junction number, because it is equal to n+sod(n) for n = 20914087099 and 20914087108.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2614260890 + ... + 2614260897.

It is an arithmetic number, because the mean of its divisors is an integer number (6099942086).

Almost surely, 2^20914087148 is an apocalyptic number.

It is an amenable number.

20914087148 is a deficient number, since it is larger than the sum of its proper divisors (15685565368).

20914087148 is a wasteful number, since it uses less digits than its factorization.

20914087148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228521791 (or 5228521789 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 20914087148 in words is "twenty billion, nine hundred fourteen million, eighty-seven thousand, one hundred forty-eight".