20013110273 has 8 divisors (see below), whose sum is σ = 21629283816. Its totient is φ = 18407894400.

The previous prime is 20013110269. The next prime is 20013110291. The reversal of 20013110273 is 37201131002.

It can be written as a sum of positive squares in 4 ways, for example, as 2279394049 + 17733716224 = 47743^2 + 133168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20013110273 - 2² = 20013110269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20013110233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2735618 + ... + 2742923.

It is an arithmetic number, because the mean of its divisors is an integer number (2703660477).

Almost surely, 2^20013110273 is an apocalyptic number.

It is an amenable number.

20013110273 is a deficient number, since it is larger than the sum of its proper divisors (1616173543).

20013110273 is a wasteful number, since it uses less digits than its factorization.

20013110273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478835.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 20013110273 its reverse (37201131002), we get a palindrome (57214241275).

The spelling of 20013110273 in words is "twenty billion, thirteen million, one hundred ten thousand, two hundred seventy-three".