831202020564842 has 16 divisors (see below), whose sum is σ = 1248825892972032. Its totient is φ = 414926803668480.

The previous prime is 831202020564841. The next prime is 831202020564847. The reversal of 831202020564842 is 248465020202138.

It is not an unprimeable number, because it can be changed into a prime (831202020564841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410873 + ... + 40774659.

It is an arithmetic number, because the mean of its divisors is an integer number (78051618310752).

Almost surely, 2^{831202020564842} is an apocalyptic number.

831202020564842 is a deficient number, since it is larger than the sum of its proper divisors (417623872407190).

831202020564842 is a wasteful number, since it uses less digits than its factorization.

831202020564842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40380493.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 831202020564842 in words is "eight hundred thirty-one trillion, two hundred two billion, twenty million, five hundred sixty-four thousand, eight hundred forty-two".