150531220 has 48 divisors (see below), whose sum is σ = 362355840. Its totient is φ = 51456384.

The previous prime is 150531203. The next prime is 150531253. The reversal of 150531220 is 22135051.

150531220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51642 + ... + 54478.

It is an arithmetic number, because the mean of its divisors is an integer number (7549080).

Almost surely, 2^150531220 is an apocalyptic number.

150531220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150531220 is an abundant number, since it is smaller than the sum of its proper divisors (211824620).

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

150531220 is a wasteful number, since it uses less digits than its factorization.

150531220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232 (or 3230 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 150531220 is about 12269.1165126100. The cubic root of 150531220 is about 531.9557739254.

Adding to 150531220 its reverse (22135051), we get a palindrome (172666271).

The spelling of 150531220 in words is "one hundred fifty million, five hundred thirty-one thousand, two hundred twenty".