6820520250286 has 16 divisors (see below), whose sum is σ = 10482832039680. Its totient is φ = 3326282910720.

The previous prime is 6820520250283. The next prime is 6820520250329.

6820520250286 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6820520250286² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820520250283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9658611 + ... + 10340686.

It is an arithmetic number, because the mean of its divisors is an integer number (655177002480).

Almost surely, 2^{6820520250286} is an apocalyptic number.

6820520250286 is a deficient number, since it is larger than the sum of its proper divisors (3662311789394).

6820520250286 is a wasteful number, since it uses less digits than its factorization.

6820520250286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20003499.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 6820520250286 in words is "six trillion, eight hundred twenty billion, five hundred twenty million, two hundred fifty thousand, two hundred eighty-six".