20633342 has 8 divisors (see below), whose sum is σ = 32770656. Its totient is φ = 9709792.

The previous prime is 20633341. The next prime is 20633363. The reversal of 20633342 is 24333602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303398 + ... + 303465.

It is an arithmetic number, because the mean of its divisors is an integer number (4096332).

Almost surely, 2^20633342 is an apocalyptic number.

20633342 is a deficient number, since it is larger than the sum of its proper divisors (12137314).

20633342 is a wasteful number, since it uses less digits than its factorization.

20633342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606882.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 20633342 is about 4542.3938622713. The cubic root of 20633342 is about 274.2772957744.

Adding to 20633342 its reverse (24333602), we get a palindrome (44966944).

The spelling of 20633342 in words is "twenty million, six hundred thirty-three thousand, three hundred forty-two".