500020452 has 60 divisors (see below), whose sum is σ = 1349345536. Its totient is φ = 161293680.

The previous prime is 500020447. The next prime is 500020489. The reversal of 500020452 is 254020005.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14848 + ... + 34935.

Almost surely, 2^500020452 is an apocalyptic number.

It is an amenable number.

500020452 is an abundant number, since it is smaller than the sum of its proper divisors (849325084).

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

500020452 is a wasteful number, since it uses less digits than its factorization.

500020452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49830 (or 49819 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 500020452 is about 22361.1370909442. The cubic root of 500020452 is about 793.7113476787.

Adding to 500020452 its reverse (254020005), we get a palindrome (754040457).

It can be divided in two parts, 5000 and 20452, that added together give a palindrome (25452).

The spelling of 500020452 in words is "five hundred million, twenty thousand, four hundred fifty-two".