4641131220 has 96 divisors (see below), whose sum is σ = 14370894720. Its totient is φ = 1109698560.

The previous prime is 4641131191. The next prime is 4641131221. The reversal of 4641131220 is 221311464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4641131221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16 + ... + 96344.

It is an arithmetic number, because the mean of its divisors is an integer number (149696820).

Almost surely, 2^4641131220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4641131220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7185447360).

4641131220 is an abundant number, since it is smaller than the sum of its proper divisors (9729763500).

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

4641131220 is a wasteful number, since it uses less digits than its factorization.

4641131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96425 (or 96423 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 4641131220 is about 68125.8483983869. The cubic root of 4641131220 is about 1668.0457161299.

Adding to 4641131220 its reverse (221311464), we get a palindrome (4862442684).

The spelling of 4641131220 in words is "four billion, six hundred forty-one million, one hundred thirty-one thousand, two hundred twenty".