20484608 has 20 divisors (see below), whose sum is σ = 40930230. Its totient is φ = 10242048.

The previous prime is 20484599. The next prime is 20484617. The reversal of 20484608 is 80648402.

It is an interprime number because it is at equal distance from previous prime (20484599) and next prime (20484617).

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 9935104 = 3248^2 + 3152^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

20484608 is a modest number, since divided by 4608 gives 2048 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19493 + ... + 20516.

Almost surely, 2^20484608 is an apocalyptic number.

It is an amenable number.

20484608 is a deficient number, since it is larger than the sum of its proper divisors (20445622).

20484608 is an frugal number, since it uses more digits than its factorization.

20484608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40027 (or 40011 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 20484608 is about 4525.9924878418. The cubic root of 20484608 is about 273.6166696408.

It can be divided in two parts, 2048 and 4608, that multiplied together give a square (9437184 = 3072²).

The spelling of 20484608 in words is "twenty million, four hundred eighty-four thousand, six hundred eight".