101809334320 has 20 divisors (see below), whose sum is σ = 236706702480. Its totient is φ = 40723733696.

The previous prime is 101809334293. The next prime is 101809334339. The reversal of 101809334320 is 23433908101.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636308260 + ... + 636308419.

It is an arithmetic number, because the mean of its divisors is an integer number (11835335124).

Almost surely, 2^101809334320 is an apocalyptic number.

101809334320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101809334320 is an abundant number, since it is smaller than the sum of its proper divisors (134897368160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101809334320 is a wasteful number, since it uses less digits than its factorization.

101809334320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272616692 (or 1272616686 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 101809334320 in words is "one hundred one billion, eight hundred nine million, three hundred thirty-four thousand, three hundred twenty".