150415220 has 24 divisors (see below), whose sum is σ = 316201704. Its totient is φ = 60103296.

The previous prime is 150415211. The next prime is 150415231. The reversal of 150415220 is 22514051.

It can be written as a sum of positive squares in 4 ways, for example, as 21864976 + 128550244 = 4676^2 + 11338^2 .

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 = 150415192 and 150415201.

It is a congruent number.

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, 18974 + ... + 25706.

It is an arithmetic number, because the mean of its divisors is an integer number (13175071).

Almost surely, 2^150415220 is an apocalyptic number.

150415220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150415220 is an abundant number, since it is smaller than the sum of its proper divisors (165786484).

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

150415220 is a wasteful number, since it uses less digits than its factorization.

150415220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7859 (or 7857 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 150415220 is about 12264.3882847862. The cubic root of 150415220 is about 531.8190963487.

Adding to 150415220 its reverse (22514051), we get a palindrome (172929271).

The spelling of 150415220 in words is "one hundred fifty million, four hundred fifteen thousand, two hundred twenty".