20483485 has 12 divisors (see below), whose sum is σ = 27018684. Its totient is φ = 14896640.

The previous prime is 20483473. The next prime is 20483497. The reversal of 20483485 is 58438402.

It is an interprime number because it is at equal distance from previous prime (20483473) and next prime (20483497).

It can be written as a sum of positive squares in 2 ways, for example, as 16297369 + 4186116 = 4037^2 + 2046^2 .

It is not a de Polignac number, because 20483485 - 2¹⁷ = 20352413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20483485.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16324 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (2251557).

Almost surely, 2^20483485 is an apocalyptic number.

It is an amenable number.

20483485 is a deficient number, since it is larger than the sum of its proper divisors (6535199).

20483485 is a wasteful number, since it uses less digits than its factorization.

20483485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33884 (or 33873 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 20483485 is about 4525.8684249545. The cubic root of 20483485 is about 273.6116695104.

The spelling of 20483485 in words is "twenty million, four hundred eighty-three thousand, four hundred eighty-five".