7204129920 has 768 divisors, whose sum is σ = 28870732800. Its totient is φ = 1641480192.

The previous prime is 7204129901. The next prime is 7204129937. The reversal of 7204129920 is 299214027.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 80945236 + ... + 80945324.

It is an arithmetic number, because the mean of its divisors is an integer number (37592100).

Almost surely, 2^7204129920 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 7204129920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14435366400).

7204129920 is an abundant number, since it is smaller than the sum of its proper divisors (21666602880).

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

7204129920 is a wasteful number, since it uses less digits than its factorization.

7204129920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 7204129920 is about 84877.1460406157. The cubic root of 7204129920 is about 1931.3479017828.

The spelling of 7204129920 in words is "seven billion, two hundred four million, one hundred twenty-nine thousand, nine hundred twenty".