4520355620 has 48 divisors (see below), whose sum is σ = 10385238528. Its totient is φ = 1639080960.

The previous prime is 4520355571. The next prime is 4520355629. The reversal of 4520355620 is 265530254.

It is a super-2 number, since 2×4520355620² = 40867229862531168800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4520355629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48557 + ... + 106763.

It is an arithmetic number, because the mean of its divisors is an integer number (216359136).

Almost surely, 2^4520355620 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 4520355620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5192619264).

4520355620 is an abundant number, since it is smaller than the sum of its proper divisors (5864882908).

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

4520355620 is a wasteful number, since it uses less digits than its factorization.

4520355620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58580 (or 58578 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 4520355620 is about 67233.5899681104. The cubic root of 4520355620 is about 1653.4492424194.

Adding to 4520355620 its reverse (265530254), we get a palindrome (4785885874).

The spelling of 4520355620 in words is "four billion, five hundred twenty million, three hundred fifty-five thousand, six hundred twenty".