20007553017 has 4 divisors (see below), whose sum is σ = 26676737360. Its totient is φ = 13338368676.

The previous prime is 20007553003. The next prime is 20007553019. The reversal of 20007553017 is 71035570002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20007553017 - 2⁷ = 20007552889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20007553019) 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 3 ways as a sum of consecutive naturals, for example, 3334592167 + ... + 3334592172.

It is an arithmetic number, because the mean of its divisors is an integer number (6669184340).

Almost surely, 2^20007553017 is an apocalyptic number.

It is an amenable number.

20007553017 is a deficient number, since it is larger than the sum of its proper divisors (6669184343).

20007553017 is an equidigital number, since it uses as much as digits as its factorization.

20007553017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669184342.

The product of its (nonzero) digits is 7350, while the sum is 30.

The spelling of 20007553017 in words is "twenty billion, seven million, five hundred fifty-three thousand, seventeen".