4051132220 has 96 divisors (see below), whose sum is σ = 8966583360. Its totient is φ = 1535846400.

The previous prime is 4051132207. The next prime is 4051132247. The reversal of 4051132220 is 222311504.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4051132192 and 4051132201.

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, 5007176 + ... + 5007984.

It is an arithmetic number, because the mean of its divisors is an integer number (93401910).

Almost surely, 2^4051132220 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 4051132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4483291680).

4051132220 is an abundant number, since it is smaller than the sum of its proper divisors (4915451140).

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

4051132220 is a wasteful number, since it uses less digits than its factorization.

4051132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4051132220 is about 63648.5052456065. The cubic root of 4051132220 is about 1594.1363786114.

Adding to 4051132220 its reverse (222311504), we get a palindrome (4273443724).

The spelling of 4051132220 in words is "four billion, fifty-one million, one hundred thirty-two thousand, two hundred twenty".