7216171205020 has 12 divisors (see below), whose sum is σ = 15153959530584. Its totient is φ = 2886468482000.

The previous prime is 7216171205017. The next prime is 7216171205029. The reversal of 7216171205020 is 205021716127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216171205029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180404280106 + ... + 180404280145.

It is an arithmetic number, because the mean of its divisors is an integer number (1262829960882).

Almost surely, 2^{7216171205020} is an apocalyptic number.

It is an amenable number.

7216171205020 is an abundant number, since it is smaller than the sum of its proper divisors (7937788325564).

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

7216171205020 is a wasteful number, since it uses less digits than its factorization.

7216171205020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360808560260 (or 360808560258 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 7216171205020 in words is "seven trillion, two hundred sixteen billion, one hundred seventy-one million, two hundred five thousand, twenty".