6205502200221 has 32 divisors (see below), whose sum is σ = 9680385276800. Its totient is φ = 3917973058560.

The previous prime is 6205502200217. The next prime is 6205502200237. The reversal of 6205502200221 is 1220022055026.

It is not a de Polignac number, because 6205502200221 - 2² = 6205502200217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6205502200421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433540 + ... + 3549501.

It is an arithmetic number, because the mean of its divisors is an integer number (302512039900).

Almost surely, 2^{6205502200221} is an apocalyptic number.

It is an amenable number.

6205502200221 is a deficient number, since it is larger than the sum of its proper divisors (3474883076579).

6205502200221 is a wasteful number, since it uses less digits than its factorization.

6205502200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986106 (or 3986100 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 6205502200221 its reverse (1220022055026), we get a palindrome (7425524255247).

The spelling of 6205502200221 in words is "six trillion, two hundred five billion, five hundred two million, two hundred thousand, two hundred twenty-one".