151030220 has 48 divisors (see below), whose sum is σ = 347887008. Its totient is φ = 54620160.

The previous prime is 151030219. The next prime is 151030267. The reversal of 151030220 is 22030151.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 151030195 and 151030204.

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, 40682 + ... + 44238.

It is an arithmetic number, because the mean of its divisors is an integer number (7247646).

Almost surely, 2^151030220 is an apocalyptic number.

151030220 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 151030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173943504).

151030220 is an abundant number, since it is smaller than the sum of its proper divisors (196856788).

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

151030220 is a wasteful number, since it uses less digits than its factorization.

151030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 151030220 is about 12289.4353002894. The cubic root of 151030220 is about 532.5429237957.

Adding to 151030220 its reverse (22030151), we get a palindrome (173060371).

The spelling of 151030220 in words is "one hundred fifty-one million, thirty thousand, two hundred twenty".