147005220 has 24 divisors (see below), whose sum is σ = 411614784. Its totient is φ = 39201376.

The previous prime is 147005219. The next prime is 147005227. The reversal of 147005220 is 22500741.

147005220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×147005220² = 43221069414496800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147005227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224984 + ... + 1225103.

It is an arithmetic number, because the mean of its divisors is an integer number (17150616).

Almost surely, 2^147005220 is an apocalyptic number.

147005220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147005220 is an abundant number, since it is smaller than the sum of its proper divisors (264609564).

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

147005220 is a wasteful number, since it uses less digits than its factorization.

147005220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450099 (or 2450097 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 147005220 is about 12124.5709202429. The cubic root of 147005220 is about 527.7694557095.

Adding to 147005220 its reverse (22500741), we get a palindrome (169505961).

The spelling of 147005220 in words is "one hundred forty-seven million, five thousand, two hundred twenty".