4784081220 has 72 divisors (see below), whose sum is σ = 14536267200. Its totient is φ = 1273596480.

The previous prime is 4784081219. The next prime is 4784081227. The reversal of 4784081220 is 221804874.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4784081227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85635 + ... + 130005.

It is an arithmetic number, because the mean of its divisors is an integer number (201892600).

Almost surely, 2^4784081220 is an apocalyptic number.

It is an amenable number.

4784081220 is an abundant number, since it is smaller than the sum of its proper divisors (9752185980).

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

4784081220 is a wasteful number, since it uses less digits than its factorization.

4784081220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44985 (or 44980 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 4784081220 is about 69167.0529949050. The cubic root of 4784081220 is about 1684.9984849138.

The spelling of 4784081220 in words is "four billion, seven hundred eighty-four million, eighty-one thousand, two hundred twenty".