15020105530220 has 48 divisors (see below), whose sum is σ = 36048644163840. Its totient is φ = 5149694625984.

The previous prime is 15020105530219. The next prime is 15020105530271. The reversal of 15020105530220 is 2203550102051.

It is a self number, because there is not a number n which added to its sum of digits gives 15020105530220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13606991 + ... + 14669369.

It is an arithmetic number, because the mean of its divisors is an integer number (751013420080).

Almost surely, 2^{15020105530220} is an apocalyptic number.

15020105530220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15020105530220 is an abundant number, since it is smaller than the sum of its proper divisors (21028538633620).

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

15020105530220 is a wasteful number, since it uses less digits than its factorization.

15020105530220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163382 (or 1163380 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 15020105530220 its reverse (2203550102051), we get a palindrome (17223655632271).

The spelling of 15020105530220 in words is "fifteen trillion, twenty billion, one hundred five million, five hundred thirty thousand, two hundred twenty".