5720641920 has 384 divisors, whose sum is σ = 23010661440. Its totient is φ = 1282424832.

The previous prime is 5720641909. The next prime is 5720642021. The reversal of 5720641920 is 291460275.

5720641920 is a `hidden beast` number, since 5 + 7 + 2 + 0 + 641 + 9 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×5720641920² = 65451487953722572800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2135622 + ... + 2138298.

Almost surely, 2^5720641920 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 5720641920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11505330720).

5720641920 is an abundant number, since it is smaller than the sum of its proper divisors (17290019520).

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

5720641920 is a wasteful number, since it uses less digits than its factorization.

5720641920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 5720641920 is about 75634.9252660436. The cubic root of 5720641920 is about 1788.4697052846.

The spelling of 5720641920 in words is "five billion, seven hundred twenty million, six hundred forty-one thousand, nine hundred twenty".