20017300053 has 8 divisors (see below), whose sum is σ = 26759420928. Its totient is φ = 13310022944.

The previous prime is 20017300049. The next prime is 20017300159. The reversal of 20017300053 is 35000371002.

It is a happy number.

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 20017300053 - 2² = 20017300049 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20017300753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8709600 + ... + 8711897.

It is an arithmetic number, because the mean of its divisors is an integer number (3344927616).

Almost surely, 2^20017300053 is an apocalyptic number.

It is an amenable number.

20017300053 is a deficient number, since it is larger than the sum of its proper divisors (6742120875).

20017300053 is a wasteful number, since it uses less digits than its factorization.

20017300053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17421883.

The product of its (nonzero) digits is 630, while the sum is 21.

Adding to 20017300053 its reverse (35000371002), we get a palindrome (55017671055).

The spelling of 20017300053 in words is "twenty billion, seventeen million, three hundred thousand, fifty-three".