147306220 has 12 divisors (see below), whose sum is σ = 309343104. Its totient is φ = 58922480.

The previous prime is 147306209. The next prime is 147306233. The reversal of 147306220 is 22603741.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3682636 + ... + 3682675.

It is an arithmetic number, because the mean of its divisors is an integer number (25778592).

Almost surely, 2^147306220 is an apocalyptic number.

147306220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147306220 is an abundant number, since it is smaller than the sum of its proper divisors (162036884).

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

147306220 is a wasteful number, since it uses less digits than its factorization.

147306220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7365320 (or 7365318 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 147306220 is about 12136.9773831873. The cubic root of 147306220 is about 528.1294209450.

Adding to 147306220 its reverse (22603741), we get a palindrome (169909961).

The spelling of 147306220 in words is "one hundred forty-seven million, three hundred six thousand, two hundred twenty".