20484632 has 16 divisors (see below), whose sum is σ = 43895760. Its totient is φ = 8779104.

The previous prime is 20484631. The next prime is 20484671. The reversal of 20484632 is 23648402.

It is a junction number, because it is equal to n+sod(n) for n = 20484595 and 20484604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182843 + ... + 182954.

It is an arithmetic number, because the mean of its divisors is an integer number (2743485).

Almost surely, 2^20484632 is an apocalyptic number.

It is an amenable number.

20484632 is an abundant number, since it is smaller than the sum of its proper divisors (23411128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20484632 is a wasteful number, since it uses less digits than its factorization.

20484632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365810 (or 365806 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 20484632 is about 4525.9951391931. The cubic root of 20484632 is about 273.6167764983.

The spelling of 20484632 in words is "twenty million, four hundred eighty-four thousand, six hundred thirty-two".