200031920017 has 4 divisors (see below), whose sum is σ = 200185437760. Its totient is φ = 199878402276.

The previous prime is 200031920009. The next prime is 200031920021. The reversal of 200031920017 is 710029130002.

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 a cyclic number.

It is not a de Polignac number, because 200031920017 - 2³ = 200031920009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200031919973 and 200031920000.

It is not an unprimeable number, because it can be changed into a prime (200031920057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76756917 + ... + 76759522.

It is an arithmetic number, because the mean of its divisors is an integer number (50046359440).

Almost surely, 2^200031920017 is an apocalyptic number.

It is an amenable number.

200031920017 is a deficient number, since it is larger than the sum of its proper divisors (153517743).

200031920017 is a wasteful number, since it uses less digits than its factorization.

200031920017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153517742.

The product of its (nonzero) digits is 756, while the sum is 25.

The spelling of 200031920017 in words is "two hundred billion, thirty-one million, nine hundred twenty thousand, seventeen".