20483530 has 8 divisors (see below), whose sum is σ = 36870372. Its totient is φ = 8193408.

The previous prime is 20483513. The next prime is 20483537. The reversal of 20483530 is 3538402.

It can be written as a sum of positive squares in 2 ways, for example, as 17816841 + 2666689 = 4221^2 + 1633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20483495 and 20483504.

It is not an unprimeable number, because it can be changed into a prime (20483537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024167 + ... + 1024186.

Almost surely, 2^20483530 is an apocalyptic number.

20483530 is a deficient number, since it is larger than the sum of its proper divisors (16386842).

20483530 is a wasteful number, since it uses less digits than its factorization.

20483530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048360.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 20483530 is about 4525.8733963733. The cubic root of 20483530 is about 273.6118698753.

The spelling of 20483530 in words is "twenty million, four hundred eighty-three thousand, five hundred thirty".