5621324020 has 96 divisors (see below), whose sum is σ = 12930825600. Its totient is φ = 2040297984.

The previous prime is 5621323999. The next prime is 5621324029. The reversal of 5621324020 is 204231265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621324029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3938547 + ... + 3939973.

It is an arithmetic number, because the mean of its divisors is an integer number (134696100).

Almost surely, 2^5621324020 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 5621324020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6465412800).

5621324020 is an abundant number, since it is smaller than the sum of its proper divisors (7309501580).

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

5621324020 is a wasteful number, since it uses less digits than its factorization.

5621324020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 5621324020 is about 74975.4894615567. The cubic root of 5621324020 is about 1778.0591583812.

Adding to 5621324020 its reverse (204231265), we get a palindrome (5825555285).

The spelling of 5621324020 in words is "five billion, six hundred twenty-one million, three hundred twenty-four thousand, twenty".