20328483 has 12 divisors (see below), whose sum is σ = 31530120. Its totient is φ = 11616192.

The previous prime is 20328479. The next prime is 20328533. The reversal of 20328483 is 38482302.

It is not a de Polignac number, because 20328483 - 2² = 20328479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20328483.

It is not an unprimeable number, because it can be changed into a prime (20328463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68998 + ... + 69291.

It is an arithmetic number, because the mean of its divisors is an integer number (2627510).

Almost surely, 2^20328483 is an apocalyptic number.

20328483 is a deficient number, since it is larger than the sum of its proper divisors (11201637).

20328483 is a wasteful number, since it uses less digits than its factorization.

20328483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138306 (or 138299 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 20328483 is about 4508.7119003103. The cubic root of 20328483 is about 272.9197660339.

The spelling of 20328483 in words is "twenty million, three hundred twenty-eight thousand, four hundred eighty-three".