20267013 has 8 divisors (see below), whose sum is σ = 29101408. Its totient is φ = 12471984.

The previous prime is 20266999. The next prime is 20267029. The reversal of 20267013 is 31076202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20267013 - 2⁶ = 20266949 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 (20267033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259795 + ... + 259872.

It is an arithmetic number, because the mean of its divisors is an integer number (3637676).

Almost surely, 2^20267013 is an apocalyptic number.

It is an amenable number.

20267013 is a deficient number, since it is larger than the sum of its proper divisors (8834395).

20267013 is a wasteful number, since it uses less digits than its factorization.

20267013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519683.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20267013 is about 4501.8899364600. The cubic root of 20267013 is about 272.6444000830.

The spelling of 20267013 in words is "twenty million, two hundred sixty-seven thousand, thirteen".