820848480622 has 4 divisors (see below), whose sum is σ = 1231272720936. Its totient is φ = 410424240310.

The previous prime is 820848480611. The next prime is 820848480623. The reversal of 820848480622 is 226084848028.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 820848480622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820848480623) 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 as a sum of consecutive naturals, namely, 205212120154 + ... + 205212120157.

It is an arithmetic number, because the mean of its divisors is an integer number (307818180234).

Almost surely, 2^820848480622 is an apocalyptic number.

820848480622 is a deficient number, since it is larger than the sum of its proper divisors (410424240314).

820848480622 is a wasteful number, since it uses less digits than its factorization.

820848480622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410424240313.

The product of its (nonzero) digits is 3145728, while the sum is 52.

The spelling of 820848480622 in words is "eight hundred twenty billion, eight hundred forty-eight million, four hundred eighty thousand, six hundred twenty-two".