20112967 has 4 divisors (see below), whose sum is σ = 22986256. Its totient is φ = 17239680.

The previous prime is 20112959. The next prime is 20112973. The reversal of 20112967 is 76921102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20112967 - 2³ = 20112959 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 (20112907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436634 + ... + 1436647.

It is an arithmetic number, because the mean of its divisors is an integer number (5746564).

Almost surely, 2^20112967 is an apocalyptic number.

20112967 is a deficient number, since it is larger than the sum of its proper divisors (2873289).

20112967 is an equidigital number, since it uses as much as digits as its factorization.

20112967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873288.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 20112967 is about 4484.7482649531. The cubic root of 20112967 is about 271.9518684658.

The spelling of 20112967 in words is "twenty million, one hundred twelve thousand, nine hundred sixty-seven".