10820600191 has 4 divisors (see below), whose sum is σ = 10950968952. Its totient is φ = 10690231432.

The previous prime is 10820600137. The next prime is 10820600207. The reversal of 10820600191 is 19100602801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10820600191 - 2¹⁷ = 10820469119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10820604191) 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, 65184256 + ... + 65184421.

It is an arithmetic number, because the mean of its divisors is an integer number (2737742238).

Almost surely, 2^10820600191 is an apocalyptic number.

10820600191 is a deficient number, since it is larger than the sum of its proper divisors (130368761).

10820600191 is an equidigital number, since it uses as much as digits as its factorization.

10820600191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130368760.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 10820600191 in words is "ten billion, eight hundred twenty million, six hundred thousand, one hundred ninety-one".