5665403220 has 24 divisors (see below), whose sum is σ = 15863129184. Its totient is φ = 1510774176.

The previous prime is 5665403213. The next prime is 5665403267. The reversal of 5665403220 is 223045665.

It is a congruent number.

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, 47211634 + ... + 47211753.

It is an arithmetic number, because the mean of its divisors is an integer number (660963716).

Almost surely, 2^5665403220 is an apocalyptic number.

It is an amenable number.

5665403220 is an abundant number, since it is smaller than the sum of its proper divisors (10197725964).

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

5665403220 is a wasteful number, since it uses less digits than its factorization.

5665403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94423399 (or 94423397 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 5665403220 is about 75268.8728492728. The cubic root of 5665403220 is about 1782.6945701567.

Adding to 5665403220 its reverse (223045665), we get a palindrome (5888448885).

The spelling of 5665403220 in words is "five billion, six hundred sixty-five million, four hundred three thousand, two hundred twenty".