20329682272 has 12 divisors (see below), whose sum is σ = 40024062036. Its totient is φ = 10164841120.

The previous prime is 20329682189. The next prime is 20329682291. The reversal of 20329682272 is 27228692302.

It is a congruent number.

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, 317651254 + ... + 317651317.

It is an arithmetic number, because the mean of its divisors is an integer number (3335338503).

Almost surely, 2^20329682272 is an apocalyptic number.

It is an amenable number.

20329682272 is a deficient number, since it is larger than the sum of its proper divisors (19694379764).

20329682272 is an equidigital number, since it uses as much as digits as its factorization.

20329682272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635302581 (or 635302573 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 20329682272 in words is "twenty billion, three hundred twenty-nine million, six hundred eighty-two thousand, two hundred seventy-two".