20326274 has 8 divisors (see below), whose sum is σ = 31540860. Its totient is φ = 9812656.

The previous prime is 20326249. The next prime is 20326277. The reversal of 20326274 is 47262302.

It can be written as a sum of positive squares in 2 ways, for example, as 20313049 + 13225 = 4507^2 + 115^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 175169 + ... + 175284.

Almost surely, 2^20326274 is an apocalyptic number.

20326274 is a deficient number, since it is larger than the sum of its proper divisors (11214586).

20326274 is a wasteful number, since it uses less digits than its factorization.

20326274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350484.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 20326274 is about 4508.4669234674. The cubic root of 20326274 is about 272.9098800428.

Adding to 20326274 its reverse (47262302), we get a palindrome (67588576).

The spelling of 20326274 in words is "twenty million, three hundred twenty-six thousand, two hundred seventy-four".