20632234 has 12 divisors (see below), whose sum is σ = 36001314. Its totient is φ = 8842344.

The previous prime is 20632189. The next prime is 20632243. The reversal of 20632234 is 43223602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20385225 + 247009 = 4515^2 + 497^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 105169 + ... + 105364.

Almost surely, 2^20632234 is an apocalyptic number.

20632234 is a deficient number, since it is larger than the sum of its proper divisors (15369080).

20632234 is a wasteful number, since it uses less digits than its factorization.

20632234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210549 (or 210542 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 20632234 is about 4542.2718985107. The cubic root of 20632234 is about 274.2723861693.

Adding to 20632234 its reverse (43223602), we get a palindrome (63855836).

The spelling of 20632234 in words is "twenty million, six hundred thirty-two thousand, two hundred thirty-four".