20326273 has 8 divisors (see below), whose sum is σ = 23138496. Its totient is φ = 17674800.

The previous prime is 20326249. The next prime is 20326277. The reversal of 20326273 is 37262302.

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

It is not a de Polignac number, because 20326273 - 2²¹ = 18229121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20326277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39918 + ... + 40423.

It is an arithmetic number, because the mean of its divisors is an integer number (2892312).

Almost surely, 2^20326273 is an apocalyptic number.

20326273 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20326273 is a deficient number, since it is larger than the sum of its proper divisors (2812223).

20326273 is a wasteful number, since it uses less digits than its factorization.

20326273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80375.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 20326273 is about 4508.4668125650. The cubic root of 20326273 is about 272.9098755673.

Adding to 20326273 its reverse (37262302), we get a palindrome (57588575).

The spelling of 20326273 in words is "twenty million, three hundred twenty-six thousand, two hundred seventy-three".