15220241146720 has 48 divisors (see below), whose sum is σ = 35958234523680. Its totient is φ = 6088026225664.

The previous prime is 15220241146711. The next prime is 15220241146751. The reversal of 15220241146720 is 2764114202251.

15220241146720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15220241146720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14680989 + ... + 15683491.

It is an arithmetic number, because the mean of its divisors is an integer number (749129885910).

Almost surely, 2^{15220241146720} is an apocalyptic number.

15220241146720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15220241146720 is an abundant number, since it is smaller than the sum of its proper divisors (20737993376960).

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

15220241146720 is a wasteful number, since it uses less digits than its factorization.

15220241146720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097407 (or 1097399 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 15220241146720 its reverse (2764114202251), we get a palindrome (17984355348971).

The spelling of 15220241146720 in words is "fifteen trillion, two hundred twenty billion, two hundred forty-one million, one hundred forty-six thousand, seven hundred twenty".