20124016 has 40 divisors (see below), whose sum is σ = 42966000. Its totient is φ = 9054720.

The previous prime is 20124007. The next prime is 20124023. The reversal of 20124016 is 61042102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18660 + ... + 19708.

It is an arithmetic number, because the mean of its divisors is an integer number (1074150).

Almost surely, 2^20124016 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 20124016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21483000).

20124016 is an abundant number, since it is smaller than the sum of its proper divisors (22841984).

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

20124016 is a wasteful number, since it uses less digits than its factorization.

20124016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20124016 is about 4485.9799375387. The cubic root of 20124016 is about 272.0016580060.

Adding to 20124016 its reverse (61042102), we get a palindrome (81166118).

The spelling of 20124016 in words is "twenty million, one hundred twenty-four thousand, sixteen".