20200016 has 20 divisors (see below), whose sum is σ = 39215124. Its totient is φ = 10080000.

The previous prime is 20200013. The next prime is 20200027. The reversal of 20200016 is 61000202.

It can be written as a sum of positive squares in 2 ways, for example, as 9985600 + 10214416 = 3160^2 + 3196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200013) 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, 10316 + ... + 12116.

Almost surely, 2^20200016 is an apocalyptic number.

It is an amenable number.

20200016 is a deficient number, since it is larger than the sum of its proper divisors (19015108).

20200016 is a wasteful number, since it uses less digits than its factorization.

20200016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2504 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20200016 is about 4494.4427908251. The cubic root of 20200016 is about 272.3436400628.

Adding to 20200016 its reverse (61000202), we get a palindrome (81200218).

The spelling of 20200016 in words is "twenty million, two hundred thousand, sixteen".