1920191100010 has 32 divisors (see below), whose sum is σ = 3482734050432. Its totient is φ = 762233743680.

The previous prime is 1920191099941. The next prime is 1920191100013. The reversal of 1920191100010 is 100011910291.

It is a super-2 number, since 2×1920191100010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1920191100013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 653997 + ... + 2065936.

It is an arithmetic number, because the mean of its divisors is an integer number (108835439076).

Almost surely, 2^{1920191100010} is an apocalyptic number.

1920191100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1920191100010 is a deficient number, since it is larger than the sum of its proper divisors (1562542950422).

1920191100010 is a wasteful number, since it uses less digits than its factorization.

1920191100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720478.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 1920191100010 in words is "one trillion, nine hundred twenty billion, one hundred ninety-one million, one hundred thousand, ten".