20080450253 has 16 divisors (see below), whose sum is σ = 20665095552. Its totient is φ = 19504800000.

The previous prime is 20080450241. The next prime is 20080450261. The reversal of 20080450253 is 35205408002.

It is a cyclic number.

It is not a de Polignac number, because 20080450253 - 2⁶ = 20080450189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20080450223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6689753 + ... + 6692753.

It is an arithmetic number, because the mean of its divisors is an integer number (1291568472).

Almost surely, 2^20080450253 is an apocalyptic number.

It is an amenable number.

20080450253 is a deficient number, since it is larger than the sum of its proper divisors (584645299).

20080450253 is a wasteful number, since it uses less digits than its factorization.

20080450253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 20080450253 its reverse (35205408002), we get a palindrome (55285858255).

The spelling of 20080450253 in words is "twenty billion, eighty million, four hundred fifty thousand, two hundred fifty-three".