20032634 has 16 divisors (see below), whose sum is σ = 31347456. Its totient is φ = 9590400.

The previous prime is 20032633. The next prime is 20032637. The reversal of 20032634 is 43623002.

It is not an unprimeable number, because it can be changed into a prime (20032633) 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 7 ways as a sum of consecutive naturals, for example, 4349 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (1959216).

Almost surely, 2^20032634 is an apocalyptic number.

20032634 is a deficient number, since it is larger than the sum of its proper divisors (11314822).

20032634 is a wasteful number, since it uses less digits than its factorization.

20032634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20032634 is about 4475.7830599796. The cubic root of 20032634 is about 271.5893186065.

Adding to 20032634 its reverse (43623002), we get a palindrome (63655636).

The spelling of 20032634 in words is "twenty million, thirty-two thousand, six hundred thirty-four".