20016236 has 6 divisors (see below), whose sum is σ = 35028420. Its totient is φ = 10008116.

The previous prime is 20016229. The next prime is 20016251. The reversal of 20016236 is 63261002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502026 + ... + 2502033.

It is an arithmetic number, because the mean of its divisors is an integer number (5838070).

Almost surely, 2^20016236 is an apocalyptic number.

It is an amenable number.

20016236 is a deficient number, since it is larger than the sum of its proper divisors (15012184).

20016236 is a wasteful number, since it uses less digits than its factorization.

20016236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004063 (or 5004061 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20016236 is about 4473.9508267302. The cubic root of 20016236 is about 271.5151939330.

Adding to 20016236 its reverse (63261002), we get a palindrome (83277238).

The spelling of 20016236 in words is "twenty million, sixteen thousand, two hundred thirty-six".