20023274 has 8 divisors (see below), whose sum is σ = 30155328. Its totient is φ = 9971500.

The previous prime is 20023273. The next prime is 20023279. The reversal of 20023274 is 47232002.

It is a happy number.

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 (20023273) 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, 19442 + ... + 20445.

It is an arithmetic number, because the mean of its divisors is an integer number (3769416).

Almost surely, 2^20023274 is an apocalyptic number.

20023274 is a deficient number, since it is larger than the sum of its proper divisors (10132054).

20023274 is a wasteful number, since it uses less digits than its factorization.

20023274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40140.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20023274 is about 4474.7373107256. The cubic root of 20023274 is about 271.5470131024.

Adding to 20023274 its reverse (47232002), we get a palindrome (67255276).

The spelling of 20023274 in words is "twenty million, twenty-three thousand, two hundred seventy-four".