920191020002 has 8 divisors (see below), whose sum is σ = 1384782578256. Its totient is φ = 458596827252.

The previous prime is 920191019989. The next prime is 920191020031. The reversal of 920191020002 is 200020191029.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749340608 + ... + 749341835.

It is an arithmetic number, because the mean of its divisors is an integer number (173097822282).

Almost surely, 2^920191020002 is an apocalyptic number.

920191020002 is a deficient number, since it is larger than the sum of its proper divisors (464591558254).

920191020002 is a wasteful number, since it uses less digits than its factorization.

920191020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498682752.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 920191020002 in words is "nine hundred twenty billion, one hundred ninety-one million, twenty thousand, two".