6620242004 has 6 divisors (see below), whose sum is σ = 11585423514. Its totient is φ = 3310121000.

The previous prime is 6620242001. The next prime is 6620242009. The reversal of 6620242004 is 4002420266.

It can be written as a sum of positive squares in only one way, i.e., 5858371600 + 761870404 = 76540^2 + 27602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620242001) by changing a digit.

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 as a sum of consecutive naturals, namely, 827530247 + ... + 827530254.

It is an arithmetic number, because the mean of its divisors is an integer number (1930903919).

Almost surely, 2^6620242004 is an apocalyptic number.

It is an amenable number.

6620242004 is a deficient number, since it is larger than the sum of its proper divisors (4965181510).

6620242004 is a wasteful number, since it uses less digits than its factorization.

6620242004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655060505 (or 1655060503 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 6620242004 is about 81364.8695937012. The cubic root of 6620242004 is about 1877.6931494909.

The spelling of 6620242004 in words is "six billion, six hundred twenty million, two hundred forty-two thousand, four".