150028220 has 24 divisors (see below), whose sum is σ = 325223808. Its totient is φ = 58075200.

The previous prime is 150028217. The next prime is 150028243. The reversal of 150028220 is 22820051.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 150028192 and 150028201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120371 + ... + 121610.

It is an arithmetic number, because the mean of its divisors is an integer number (13550992).

Almost surely, 2^150028220 is an apocalyptic number.

150028220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150028220 is an abundant number, since it is smaller than the sum of its proper divisors (175195588).

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

150028220 is a wasteful number, since it uses less digits than its factorization.

150028220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242021 (or 242019 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 150028220 is about 12248.6007364107. The cubic root of 150028220 is about 531.3626027518.

Adding to 150028220 its reverse (22820051), we get a palindrome (172848271).

The spelling of 150028220 in words is "one hundred fifty million, twenty-eight thousand, two hundred twenty".