20313267 has 8 divisors (see below), whose sum is σ = 29167824. Its totient is φ = 12500448.

The previous prime is 20313247. The next prime is 20313281. The reversal of 20313267 is 76231302.

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

It is not a de Polignac number, because 20313267 - 2⁶ = 20313203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20313247) 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, 260388 + ... + 260465.

It is an arithmetic number, because the mean of its divisors is an integer number (3645978).

Almost surely, 2^20313267 is an apocalyptic number.

20313267 is a deficient number, since it is larger than the sum of its proper divisors (8854557).

20313267 is a wasteful number, since it uses less digits than its factorization.

20313267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520869.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 20313267 is about 4507.0241845368. The cubic root of 20313267 is about 272.8516549717.

Adding to 20313267 its reverse (76231302), we get a palindrome (96544569).

It can be divided in two parts, 20313 and 267, that multiplied together give a triangular number (5423571 = T₃₂₉₃).

The spelling of 20313267 in words is "twenty million, three hundred thirteen thousand, two hundred sixty-seven".