6420606204 has 12 divisors (see below), whose sum is σ = 14981414504. Its totient is φ = 2140202064.

The previous prime is 6420606187. The next prime is 6420606209. The reversal of 6420606204 is 4026060246.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6420606209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267525247 + ... + 267525270.

Almost surely, 2^6420606204 is an apocalyptic number.

It is an amenable number.

6420606204 is an abundant number, since it is smaller than the sum of its proper divisors (8560808300).

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

6420606204 is a wasteful number, since it uses less digits than its factorization.

6420606204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535050524 (or 535050522 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6420606204 is about 80128.6852756240. The cubic root of 6420606204 is about 1858.6260138415.

The spelling of 6420606204 in words is "six billion, four hundred twenty million, six hundred six thousand, two hundred four".