20130032 has 20 divisors (see below), whose sum is σ = 42002520. Its totient is φ = 9290688.

The previous prime is 20130029. The next prime is 20130043. The reversal of 20130032 is 23003102.

It is a junction number, because it is equal to n+sod(n) for n = 20129995 and 20130022.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48182 + ... + 48597.

It is an arithmetic number, because the mean of its divisors is an integer number (2100126).

Almost surely, 2^20130032 is an apocalyptic number.

It is an amenable number.

20130032 is an abundant number, since it is smaller than the sum of its proper divisors (21872488).

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

20130032 is a wasteful number, since it uses less digits than its factorization.

20130032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96800 (or 96794 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20130032 is about 4486.6504209711. The cubic root of 20130032 is about 272.0287599347.

Adding to 20130032 its reverse (23003102), we get a palindrome (43133134).

The spelling of 20130032 in words is "twenty million, one hundred thirty thousand, thirty-two".