4352821220 has 24 divisors (see below), whose sum is σ = 9971918208. Its totient is φ = 1582844000.

The previous prime is 4352821217. The next prime is 4352821301. The reversal of 4352821220 is 221282534.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9892556 + ... + 9892995.

It is an arithmetic number, because the mean of its divisors is an integer number (415496592).

Almost surely, 2^4352821220 is an apocalyptic number.

It is an amenable number.

4352821220 is an abundant number, since it is smaller than the sum of its proper divisors (5619096988).

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

4352821220 is a wasteful number, since it uses less digits than its factorization.

4352821220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19785571 (or 19785569 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4352821220 is about 65975.9139383457. The cubic root of 4352821220 is about 1632.7647284504.

The spelling of 4352821220 in words is "four billion, three hundred fifty-two million, eight hundred twenty-one thousand, two hundred twenty".