20730353324948 has 12 divisors (see below), whose sum is σ = 36281450024820. Its totient is φ = 10364224746432.

The previous prime is 20730353324897. The next prime is 20730353324977. The reversal of 20730353324948 is 84942335303702.

It can be written as a sum of positive squares in 2 ways, for example, as 1337973397264 + 19392379927684 = 1156708^2 + 4403678^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20730353324948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237930011 + ... + 238017122.

It is an arithmetic number, because the mean of its divisors is an integer number (3023454168735).

Almost surely, 2^{20730353324948} is an apocalyptic number.

It is an amenable number.

20730353324948 is a deficient number, since it is larger than the sum of its proper divisors (15551096699872).

20730353324948 is a wasteful number, since it uses less digits than its factorization.

20730353324948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475958026 (or 475958024 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 20730353324948 in words is "twenty trillion, seven hundred thirty billion, three hundred fifty-three million, three hundred twenty-four thousand, nine hundred forty-eight".