20080450 has 24 divisors (see below), whose sum is σ = 40223988. Its totient is φ = 7414080.

The previous prime is 20080429. The next prime is 20080453. The reversal of 20080450 is 5408002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2866249 + 17214201 = 1693^2 + 4149^2 .

It is not an unprimeable number, because it can be changed into a prime (20080453) 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 in 11 ways as a sum of consecutive naturals, for example, 14797 + ... + 16096.

Almost surely, 2^20080450 is an apocalyptic number.

20080450 is an abundant number, since it is smaller than the sum of its proper divisors (20143538).

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

20080450 is a wasteful number, since it uses less digits than its factorization.

20080450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30918 (or 30913 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 20080450 is about 4481.1215114076. The cubic root of 20080450 is about 271.8052329020.

Adding to 20080450 its reverse (5408002), we get a palindrome (25488452).

The spelling of 20080450 in words is "twenty million, eighty thousand, four hundred fifty".