20303032 has 16 divisors (see below), whose sum is σ = 40307760. Its totient is φ = 9554304.

The previous prime is 20303027. The next prime is 20303033. The reversal of 20303032 is 23030302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303033) 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, 74508 + ... + 74779.

It is an arithmetic number, because the mean of its divisors is an integer number (2519235).

Almost surely, 2^20303032 is an apocalyptic number.

It is an amenable number.

20303032 is a deficient number, since it is larger than the sum of its proper divisors (20004728).

20303032 is a wasteful number, since it uses less digits than its factorization.

20303032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149310 (or 149306 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 20303032 is about 4505.8885916099. Note that the first 3 decimals coincide. The cubic root of 20303032 is about 272.8058211192.

Adding to 20303032 its reverse (23030302), we get a palindrome (43333334).

The spelling of 20303032 in words is "twenty million, three hundred three thousand, thirty-two".