6476521622020 has 12 divisors (see below), whose sum is σ = 13600695406284. Its totient is φ = 2590608648800.

The previous prime is 6476521621993. The next prime is 6476521622029. The reversal of 6476521622020 is 202261256746.

It can be written as a sum of positive squares in 2 ways, for example, as 3844054311876 + 2632467310144 = 1960626^2 + 1622488^2 .

It is not an unprimeable number, because it can be changed into a prime (6476521622029) 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, 161913040531 + ... + 161913040570.

It is an arithmetic number, because the mean of its divisors is an integer number (1133391283857).

Almost surely, 2^{6476521622020} is an apocalyptic number.

It is an amenable number.

6476521622020 is an abundant number, since it is smaller than the sum of its proper divisors (7124173784264).

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

6476521622020 is a wasteful number, since it uses less digits than its factorization.

6476521622020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323826081110 (or 323826081108 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

Adding to 6476521622020 its reverse (202261256746), we get a palindrome (6678782878766).

The spelling of 6476521622020 in words is "six trillion, four hundred seventy-six billion, five hundred twenty-one million, six hundred twenty-two thousand, twenty".