20609483 has 2 divisors, whose sum is σ = 20609484. Its totient is φ = 20609482.

The previous prime is 20609447. The next prime is 20609489. The reversal of 20609483 is 38490602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20609483 - 2¹⁶ = 20543947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20609489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10304741 + 10304742.

It is an arithmetic number, because the mean of its divisors is an integer number (10304742).

Almost surely, 2^20609483 is an apocalyptic number.

20609483 is a deficient number, since it is larger than the sum of its proper divisors (1).

20609483 is an equidigital number, since it uses as much as digits as its factorization.

20609483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20609483 is about 4539.7668442333. The cubic root of 20609483 is about 274.1715364333.

The spelling of 20609483 in words is "twenty million, six hundred nine thousand, four hundred eighty-three".