20484107 has 6 divisors (see below), whose sum is σ = 23828508. Its totient is φ = 17557764.

The previous prime is 20484097. The next prime is 20484143. The reversal of 20484107 is 70148402.

It is not a de Polignac number, because 20484107 - 2⁸ = 20483851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20484197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208973 + ... + 209070.

It is an arithmetic number, because the mean of its divisors is an integer number (3971418).

Almost surely, 2^20484107 is an apocalyptic number.

20484107 is a deficient number, since it is larger than the sum of its proper divisors (3344401).

20484107 is an equidigital number, since it uses as much as digits as its factorization.

20484107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418057 (or 418050 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 20484107 is about 4525.9371405268. The cubic root of 20484107 is about 273.6144389730.

The spelling of 20484107 in words is "twenty million, four hundred eighty-four thousand, one hundred seven".