20530327146 has 32 divisors (see below), whose sum is σ = 49396277760. Its totient is φ = 5557080816.

The previous prime is 20530327133. The next prime is 20530327171. The reversal of 20530327146 is 64172303502.

20530327146 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12862816 + ... + 12864411.

It is an arithmetic number, because the mean of its divisors is an integer number (1543633680).

Almost surely, 2^20530327146 is an apocalyptic number.

20530327146 is an abundant number, since it is smaller than the sum of its proper divisors (28865950614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20530327146 is a wasteful number, since it uses less digits than its factorization.

20530327146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25727258.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 20530327146 in words is "twenty billion, five hundred thirty million, three hundred twenty-seven thousand, one hundred forty-six".