20483129 has 8 divisors (see below), whose sum is σ = 20895240. Its totient is φ = 20073600.

The previous prime is 20483119. The next prime is 20483137. The reversal of 20483129 is 92138402.

It can be written as a sum of positive squares in 4 ways, for example, as 946729 + 19536400 = 973^2 + 4420^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20483129 - 2⁸ = 20482873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20483119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24539 + ... + 25359.

It is an arithmetic number, because the mean of its divisors is an integer number (2611905).

Almost surely, 2^20483129 is an apocalyptic number.

It is an amenable number.

20483129 is a deficient number, since it is larger than the sum of its proper divisors (412111).

20483129 is an equidigital number, since it uses as much as digits as its factorization.

20483129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20483129 is about 4525.8290953150. The cubic root of 20483129 is about 273.6100843909.

The spelling of 20483129 in words is "twenty million, four hundred eighty-three thousand, one hundred twenty-nine".