20483604 has 60 divisors (see below), whose sum is σ = 53991168. Its totient is φ = 6771600.

The previous prime is 20483597. The next prime is 20483621. The reversal of 20483604 is 40638402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61719 + ... + 62049.

Almost surely, 2^20483604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20483604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26995584).

20483604 is an abundant number, since it is smaller than the sum of its proper divisors (33507564).

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

20483604 is a wasteful number, since it uses less digits than its factorization.

20483604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 20483604 is about 4525.8815715836. The cubic root of 20483604 is about 273.6121993637.

The spelling of 20483604 in words is "twenty million, four hundred eighty-three thousand, six hundred four".