3023005520 has 40 divisors (see below), whose sum is σ = 7161110856. Its totient is φ = 1186385408.

The previous prime is 3023005519. The next prime is 3023005523. The reversal of 3023005520 is 255003203.

3023005520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 319837456 + 2703168064 = 17884^2 + 51992^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3023005492 and 3023005501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023005523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352247 + ... + 360726.

Almost surely, 2^3023005520 is an apocalyptic number.

It is an amenable number.

3023005520 is an abundant number, since it is smaller than the sum of its proper divisors (4138105336).

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

3023005520 is a wasteful number, since it uses less digits than its factorization.

3023005520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713039 (or 713033 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 3023005520 is about 54981.8653739576. The cubic root of 3023005520 is about 1445.9268200746.

Adding to 3023005520 its reverse (255003203), we get a palindrome (3278008723).

The spelling of 3023005520 in words is "three billion, twenty-three million, five thousand, five hundred twenty".