20484710 has 8 divisors (see below), whose sum is σ = 36872496. Its totient is φ = 8193880.

The previous prime is 20484703. The next prime is 20484713. The reversal of 20484710 is 1748402.

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

It is a super-3 number, since 3×20484710³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20484710.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484713) 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 3 ways as a sum of consecutive naturals, for example, 1024226 + ... + 1024245.

It is an arithmetic number, because the mean of its divisors is an integer number (4609062).

Almost surely, 2^20484710 is an apocalyptic number.

20484710 is a deficient number, since it is larger than the sum of its proper divisors (16387786).

20484710 is a wasteful number, since it uses less digits than its factorization.

20484710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048478.

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

The square root of 20484710 is about 4526.0037560744. The cubic root of 20484710 is about 273.6171237843.

The spelling of 20484710 in words is "twenty million, four hundred eighty-four thousand, seven hundred ten".