147500220 has 96 divisors (see below), whose sum is σ = 473872896. Its totient is φ = 33580800.

The previous prime is 147500209. The next prime is 147500233. The reversal of 147500220 is 22005741.

147500220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138490 + ... + 139550.

It is an arithmetic number, because the mean of its divisors is an integer number (4936176).

Almost surely, 2^147500220 is an apocalyptic number.

147500220 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 147500220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236936448).

147500220 is an abundant number, since it is smaller than the sum of its proper divisors (326372676).

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

147500220 is a wasteful number, since it uses less digits than its factorization.

147500220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1409 counting only the distinct ones).

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

The square root of 147500220 is about 12144.9668587444. The cubic root of 147500220 is about 528.3611653171.

Adding to 147500220 its reverse (22005741), we get a palindrome (169505961).

The spelling of 147500220 in words is "one hundred forty-seven million, five hundred thousand, two hundred twenty".