920201010191 has 8 divisors (see below), whose sum is σ = 929334075984. Its totient is φ = 911068379200.

The previous prime is 920201010151. The next prime is 920201010203. The reversal of 920201010191 is 191010102029.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920201010191 is a prime.

It is a super-3 number, since 3×920201010191³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 920201010191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920201010101) 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, 5651171 + ... + 5811723.

It is an arithmetic number, because the mean of its divisors is an integer number (116166759498).

Almost surely, 2^920201010191 is an apocalyptic number.

920201010191 is a deficient number, since it is larger than the sum of its proper divisors (9133065793).

920201010191 is a wasteful number, since it uses less digits than its factorization.

920201010191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217401.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 920201010191 in words is "nine hundred twenty billion, two hundred one million, ten thousand, one hundred ninety-one".