20080732 has 24 divisors (see below), whose sum is σ = 40484864. Its totient is φ = 8536752.

The previous prime is 20080729. The next prime is 20080733. The reversal of 20080732 is 23708002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20080733) 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 7 ways as a sum of consecutive naturals, for example, 733 + ... + 6379.

Almost surely, 2^20080732 is an apocalyptic number.

It is an amenable number.

20080732 is an abundant number, since it is smaller than the sum of its proper divisors (20404132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20080732 is a wasteful number, since it uses less digits than its factorization.

20080732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785 (or 5783 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20080732 is about 4481.1529766345. The cubic root of 20080732 is about 271.8065052625.

Adding to 20080732 its reverse (23708002), we get a palindrome (43788734).

The spelling of 20080732 in words is "twenty million, eighty thousand, seven hundred thirty-two".