7215055216020 has 48 divisors (see below), whose sum is σ = 22446838451520. Its totient is φ = 1924014724128.

The previous prime is 7215055216007. The next prime is 7215055216027. The reversal of 7215055216020 is 206125505127.

7215055216020 is a `hidden beast` number, since 7 + 2 + 1 + 50 + 5 + 521 + 60 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215055216027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6680606142 + ... + 6680607221.

It is an arithmetic number, because the mean of its divisors is an integer number (467642467740).

Almost surely, 2^{7215055216020} is an apocalyptic number.

It is an amenable number.

7215055216020 is an abundant number, since it is smaller than the sum of its proper divisors (15231783235500).

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

7215055216020 is a wasteful number, since it uses less digits than its factorization.

7215055216020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13361213381 (or 13361213373 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 7215055216020 in words is "seven trillion, two hundred fifteen billion, fifty-five million, two hundred sixteen thousand, twenty".