801820612730 has 64 divisors (see below), whose sum is σ = 1482533902080. Its totient is φ = 312131160576.

The previous prime is 801820612721. The next prime is 801820612753. The reversal of 801820612730 is 37216028108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50827124 + ... + 50842896.

It is an arithmetic number, because the mean of its divisors is an integer number (23164592220).

Almost surely, 2^801820612730 is an apocalyptic number.

801820612730 is a deficient number, since it is larger than the sum of its proper divisors (680713289350).

801820612730 is a wasteful number, since it uses less digits than its factorization.

801820612730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16775.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 801820612730 in words is "eight hundred one billion, eight hundred twenty million, six hundred twelve thousand, seven hundred thirty".