20090332 has 12 divisors (see below), whose sum is σ = 35603680. Its totient is φ = 9917856.

The previous prime is 20090327. The next prime is 20090333. The reversal of 20090332 is 23309002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20090333) 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, 31473 + ... + 32104.

Almost surely, 2^20090332 is an apocalyptic number.

It is an amenable number.

20090332 is a deficient number, since it is larger than the sum of its proper divisors (15513348).

20090332 is a wasteful number, since it uses less digits than its factorization.

20090332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63660 (or 63658 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 20090332 is about 4482.2240015421. The cubic root of 20090332 is about 271.8498125607.

Adding to 20090332 its reverse (23309002), we get a palindrome (43399334).

The spelling of 20090332 in words is "twenty million, ninety thousand, three hundred thirty-two".