20030132 has 6 divisors (see below), whose sum is σ = 35052738. Its totient is φ = 10015064.

The previous prime is 20030117. The next prime is 20030137. The reversal of 20030132 is 23103002.

It can be written as a sum of positive squares in only one way, i.e., 20016676 + 13456 = 4474^2 + 116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030137) 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 as a sum of consecutive naturals, namely, 2503763 + ... + 2503770.

It is an arithmetic number, because the mean of its divisors is an integer number (5842123).

Almost surely, 2^20030132 is an apocalyptic number.

It is an amenable number.

20030132 is a deficient number, since it is larger than the sum of its proper divisors (15022606).

20030132 is a wasteful number, since it uses less digits than its factorization.

20030132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007537 (or 5007535 counting only the distinct ones).

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

The square root of 20030132 is about 4475.5035470883. The cubic root of 20030132 is about 271.5780113105.

Adding to 20030132 its reverse (23103002), we get a palindrome (43133134).

The spelling of 20030132 in words is "twenty million, thirty thousand, one hundred thirty-two".