82351616222020 has 48 divisors (see below), whose sum is σ = 175494352118400. Its totient is φ = 32454433347840.

The previous prime is 82351616222011. The next prime is 82351616222041. The reversal of 82351616222020 is 2022261615328.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17802825 + ... + 21946384.

It is an arithmetic number, because the mean of its divisors is an integer number (3656132335800).

Almost surely, 2^{82351616222020} is an apocalyptic number.

It is an amenable number.

82351616222020 is an abundant number, since it is smaller than the sum of its proper divisors (93142735896380).

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

82351616222020 is a wasteful number, since it uses less digits than its factorization.

82351616222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39750748 (or 39750746 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

Adding to 82351616222020 its reverse (2022261615328), we get a palindrome (84373877837348).

The spelling of 82351616222020 in words is "eighty-two trillion, three hundred fifty-one billion, six hundred sixteen million, two hundred twenty-two thousand, twenty".