15050252220 has 96 divisors (see below), whose sum is σ = 42717362688. Its totient is φ = 3958639872.

The previous prime is 15050252213. The next prime is 15050252233. The reversal of 15050252220 is 2225205051.

It is a super-2 number, since 2×15050252220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3618382 + ... + 3622538.

It is an arithmetic number, because the mean of its divisors is an integer number (444972528).

Almost surely, 2^15050252220 is an apocalyptic number.

15050252220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15050252220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21358681344).

15050252220 is an abundant number, since it is smaller than the sum of its proper divisors (27667110468).

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

15050252220 is a wasteful number, since it uses less digits than its factorization.

15050252220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979 (or 4977 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 15050252220 its reverse (2225205051), we get a palindrome (17275457271).

The spelling of 15050252220 in words is "fifteen billion, fifty million, two hundred fifty-two thousand, two hundred twenty".