20267016 has 96 divisors (see below), whose sum is σ = 63712320. Its totient is φ = 5258880.

The previous prime is 20266999. The next prime is 20267029. The reversal of 20267016 is 61076202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19830 + ... + 20826.

It is an arithmetic number, because the mean of its divisors is an integer number (663670).

Almost surely, 2^20267016 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 20267016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31856160).

20267016 is an abundant number, since it is smaller than the sum of its proper divisors (43445304).

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

20267016 is a wasteful number, since it uses less digits than its factorization.

20267016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20267016 is about 4501.8902696534. The cubic root of 20267016 is about 272.6444135356.

The spelling of 20267016 in words is "twenty million, two hundred sixty-seven thousand, sixteen".