6620202 has 12 divisors (see below), whose sum is σ = 14343810. Its totient is φ = 2206728.

The previous prime is 6620183. The next prime is 6620209. The reversal of 6620202 is 2020266.

6620202 is a `hidden beast` number, since 662 + 0 + 2 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3767481 + 2852721 = 1941^2 + 1689^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 367789 = 6620202 / (6 + 6 + 2 + 0 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (6620209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183877 + ... + 183912.

Almost surely, 2^6620202 is an apocalyptic number.

6620202 is an abundant number, since it is smaller than the sum of its proper divisors (7723608).

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

6620202 is a wasteful number, since it uses less digits than its factorization.

6620202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367797 (or 367794 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6620202 is about 2572.9753205190. The cubic root of 6620202 is about 187.7689367384.

Adding to 6620202 its reverse (2020266), we get a palindrome (8640468).

The spelling of 6620202 in words is "six million, six hundred twenty thousand, two hundred two".