20484016 has 20 divisors (see below), whose sum is σ = 45357712. Its totient is φ = 8778816.

The previous prime is 20483993. The next prime is 20484017. The reversal of 20484016 is 61048402.

It is a super-2 number, since 2×20484016² = 839189822976512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484017) 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, 91335 + ... + 91558.

Almost surely, 2^20484016 is an apocalyptic number.

It is an amenable number.

20484016 is an abundant number, since it is smaller than the sum of its proper divisors (24873696).

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

20484016 is a wasteful number, since it uses less digits than its factorization.

20484016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182908 (or 182902 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20484016 is about 4525.9270873491. The cubic root of 20484016 is about 273.6140337979.

The spelling of 20484016 in words is "twenty million, four hundred eighty-four thousand, sixteen".