6822066668020 has 24 divisors (see below), whose sum is σ = 14326865368200. Its totient is φ = 2728726597632.

The previous prime is 6822066667993. The next prime is 6822066668023. The reversal of 6822066668020 is 208666602286.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 133315535376 + 6688751132644 = 365124^2 + 2586262^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6822066668023) 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, 5694105 + ... + 6787264.

It is an arithmetic number, because the mean of its divisors is an integer number (596952723675).

Almost surely, 2^{6822066668020} is an apocalyptic number.

It is an amenable number.

6822066668020 is an abundant number, since it is smaller than the sum of its proper divisors (7504798700180).

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

6822066668020 is a wasteful number, since it uses less digits than its factorization.

6822066668020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12508707 (or 12508705 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The spelling of 6822066668020 in words is "six trillion, eight hundred twenty-two billion, sixty-six million, six hundred sixty-eight thousand, twenty".