6620202442 has 16 divisors (see below), whose sum is σ = 11391114240. Its totient is φ = 2826680688.

The previous prime is 6620202313. The next prime is 6620202443. The reversal of 6620202442 is 2442020266.

It is a self number, because there is not a number n which added to its sum of digits gives 6620202442.

It is not an unprimeable number, because it can be changed into a prime (6620202443) 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, 875178 + ... + 882709.

It is an arithmetic number, because the mean of its divisors is an integer number (711944640).

Almost surely, 2^6620202442 is an apocalyptic number.

6620202442 is a deficient number, since it is larger than the sum of its proper divisors (4770911798).

6620202442 is a wasteful number, since it uses less digits than its factorization.

6620202442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758165.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 6620202442 is about 81364.6264785871. The cubic root of 6620202442 is about 1877.6894091722.

The spelling of 6620202442 in words is "six billion, six hundred twenty million, two hundred two thousand, four hundred forty-two".