6606402226020 has 36 divisors (see below), whose sum is σ = 20039420086140. Its totient is φ = 1761707260224.

The previous prime is 6606402226003. The next prime is 6606402226027. The reversal of 6606402226020 is 206222046066.

It is a happy number.

6606402226020 is a `hidden beast` number, since 6 + 6 + 0 + 6 + 40 + 2 + 2 + 2 + 602 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1843148355876 + 4763253870144 = 1357626^2 + 2182488^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×6606402226020² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6606402226027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18351117115 + ... + 18351117474.

Almost surely, 2^{6606402226020} is an apocalyptic number.

6606402226020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6606402226020 is an abundant number, since it is smaller than the sum of its proper divisors (13433017860120).

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

6606402226020 is a wasteful number, since it uses less digits than its factorization.

6606402226020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36702234604 (or 36702234599 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 6606402226020 in words is "six trillion, six hundred six billion, four hundred two million, two hundred twenty-six thousand, twenty".