20016367 has 18 divisors (see below), whose sum is σ = 24417528. Its totient is φ = 16071264.

The previous prime is 20016349. The next prime is 20016377. The reversal of 20016367 is 76361002.

It is a de Polignac number, because none of the positive numbers 2^k-20016367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016377) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 224859 + ... + 224947.

Almost surely, 2^20016367 is an apocalyptic number.

20016367 is a deficient number, since it is larger than the sum of its proper divisors (4401161).

20016367 is an frugal number, since it uses more digits than its factorization.

20016367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20016367 is about 4473.9654670102. The cubic root of 20016367 is about 271.5157862590.

Adding to 20016367 its reverse (76361002), we get a palindrome (96377369).

The spelling of 20016367 in words is "twenty million, sixteen thousand, three hundred sixty-seven".