4631087220 has 24 divisors (see below), whose sum is σ = 12967044384. Its totient is φ = 1234956576.

The previous prime is 4631087213. The next prime is 4631087221. The reversal of 4631087220 is 227801364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4631087221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38592334 + ... + 38592453.

It is an arithmetic number, because the mean of its divisors is an integer number (540293516).

Almost surely, 2^4631087220 is an apocalyptic number.

It is an amenable number.

4631087220 is an abundant number, since it is smaller than the sum of its proper divisors (8335957164).

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

4631087220 is a wasteful number, since it uses less digits than its factorization.

4631087220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77184799 (or 77184797 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 4631087220 is about 68052.0919590280. The cubic root of 4631087220 is about 1666.8415591580.

Adding to 4631087220 its reverse (227801364), we get a palindrome (4858888584).

The spelling of 4631087220 in words is "four billion, six hundred thirty-one million, eighty-seven thousand, two hundred twenty".