4520745332220 has 288 divisors, whose sum is σ = 14051251533312. Its totient is φ = 1085083444224.

The previous prime is 4520745332209. The next prime is 4520745332231. The reversal of 4520745332220 is 222335470254.

It is an interprime number because it is at equal distance from previous prime (4520745332209) and next prime (4520745332231).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87573657 + ... + 87625263.

It is an arithmetic number, because the mean of its divisors is an integer number (48789067824).

Almost surely, 2^{4520745332220} 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 4520745332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7025625766656).

4520745332220 is an abundant number, since it is smaller than the sum of its proper divisors (9530506201092).

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

4520745332220 is a wasteful number, since it uses less digits than its factorization.

4520745332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51861 (or 51846 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 39.

The spelling of 4520745332220 in words is "four trillion, five hundred twenty billion, seven hundred forty-five million, three hundred thirty-two thousand, two hundred twenty".