20140450 has 36 divisors (see below), whose sum is σ = 41188770. Its totient is φ = 7321600.

The previous prime is 20140429. The next prime is 20140451. The reversal of 20140450 is 5404102.

It can be written as a sum of positive squares in 3 ways, for example, as 13905441 + 6235009 = 3729^2 + 2497^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140451) 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 17 ways as a sum of consecutive naturals, for example, 4386 + ... + 7714.

Almost surely, 2^20140450 is an apocalyptic number.

20140450 is an abundant number, since it is smaller than the sum of its proper divisors (21048320).

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

20140450 is a wasteful number, since it uses less digits than its factorization.

20140450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3347 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20140450 is about 4487.8112705416. The cubic root of 20140450 is about 272.0756799937.

Adding to 20140450 its reverse (5404102), we get a palindrome (25544552).

The spelling of 20140450 in words is "twenty million, one hundred forty thousand, four hundred fifty".