15041220 has 24 divisors (see below), whose sum is σ = 42115584. Its totient is φ = 4010976.

The previous prime is 15041183. The next prime is 15041239. The reversal of 15041220 is 2214051.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 15041220.

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, 125284 + ... + 125403.

It is an arithmetic number, because the mean of its divisors is an integer number (1754816).

Almost surely, 2^15041220 is an apocalyptic number.

15041220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15041220 is an abundant number, since it is smaller than the sum of its proper divisors (27074364).

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

15041220 is a wasteful number, since it uses less digits than its factorization.

15041220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250699 (or 250697 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 15041220 is about 3878.3011744835. The cubic root of 15041220 is about 246.8469058454.

Adding to 15041220 its reverse (2214051), we get a palindrome (17255271).

The spelling of 15041220 in words is "fifteen million, forty-one thousand, two hundred twenty".