820118794 has 16 divisors (see below), whose sum is σ = 1420955136. Its totient is φ = 350852800.

The previous prime is 820118779. The next prime is 820118807. The reversal of 820118794 is 497811028.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096042 + ... + 1096789.

It is an arithmetic number, because the mean of its divisors is an integer number (88809696).

Almost surely, 2^820118794 is an apocalyptic number.

820118794 is a deficient number, since it is larger than the sum of its proper divisors (600836342).

820118794 is a wasteful number, since it uses less digits than its factorization.

820118794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192861.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 820118794 is about 28637.7162846481. The cubic root of 820118794 is about 936.0353593248.

The spelling of 820118794 in words is "eight hundred twenty million, one hundred eighteen thousand, seven hundred ninety-four".