20254016 has 14 divisors (see below), whose sum is σ = 40191690. Its totient is φ = 10126976.

The previous prime is 20254009. The next prime is 20254049. The reversal of 20254016 is 61045202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20214016 + 40000 = 4496^2 + 200^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158171 + ... + 158298.

It is an arithmetic number, because the mean of its divisors is an integer number (2870835).

Almost surely, 2^20254016 is an apocalyptic number.

It is an amenable number.

20254016 is a deficient number, since it is larger than the sum of its proper divisors (19937674).

20254016 is an equidigital number, since it uses as much as digits as its factorization.

20254016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316481 (or 316471 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20254016 is about 4500.4462001006. The cubic root of 20254016 is about 272.5861063913.

Adding to 20254016 its reverse (61045202), we get a palindrome (81299218).

The spelling of 20254016 in words is "twenty million, two hundred fifty-four thousand, sixteen".