20730483 has 6 divisors (see below), whose sum is σ = 29944044. Its totient is φ = 13820316.

The previous prime is 20730481. The next prime is 20730491. The reversal of 20730483 is 38403702.

It is not a de Polignac number, because 20730483 - 2¹ = 20730481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20730481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1151685 + ... + 1151702.

It is an arithmetic number, because the mean of its divisors is an integer number (4990674).

Almost surely, 2^20730483 is an apocalyptic number.

20730483 is a deficient number, since it is larger than the sum of its proper divisors (9213561).

20730483 is a wasteful number, since it uses less digits than its factorization.

20730483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303393 (or 2303390 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20730483 is about 4553.0740165299. The cubic root of 20730483 is about 274.7070511270.

The spelling of 20730483 in words is "twenty million, seven hundred thirty thousand, four hundred eighty-three".