7201620132828 has 48 divisors (see below), whose sum is σ = 18520380205824. Its totient is φ = 2159811095040.

The previous prime is 7201620132827. The next prime is 7201620132859. The reversal of 7201620132828 is 8282310261027.

It is a self number, because there is not a number n which added to its sum of digits gives 7201620132828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7201620132827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281212600 + ... + 281238207.

It is an arithmetic number, because the mean of its divisors is an integer number (385841254288).

Almost surely, 2^{7201620132828} is an apocalyptic number.

It is an amenable number.

7201620132828 is an abundant number, since it is smaller than the sum of its proper divisors (11318760072996).

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

7201620132828 is a wasteful number, since it uses less digits than its factorization.

7201620132828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562450922 (or 562450920 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 7201620132828 in words is "seven trillion, two hundred one billion, six hundred twenty million, one hundred thirty-two thousand, eight hundred twenty-eight".