20360016 has 60 divisors (see below), whose sum is σ = 60338772. Its totient is φ = 6386688.

The previous prime is 20359993. The next prime is 20360017. The reversal of 20360016 is 61006302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18455616 + 1904400 = 4296^2 + 1380^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20360017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1711 + ... + 6606.

Almost surely, 2^20360016 is an apocalyptic number.

It is an amenable number.

20360016 is an abundant number, since it is smaller than the sum of its proper divisors (39978756).

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

20360016 is a wasteful number, since it uses less digits than its factorization.

20360016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8348 (or 8339 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 20360016 is about 4512.2074420399. The cubic root of 20360016 is about 273.0608084164.

Adding to 20360016 its reverse (61006302), we get a palindrome (81366318).

The spelling of 20360016 in words is "twenty million, three hundred sixty thousand, sixteen".