820973626622 has 16 divisors (see below), whose sum is σ = 1235586234672. Its totient is φ = 409112054400.

The previous prime is 820973626609. The next prime is 820973626639. The reversal of 820973626622 is 226626379028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3193997 + ... + 3441447.

It is an arithmetic number, because the mean of its divisors is an integer number (77224139667).

Almost surely, 2^820973626622 is an apocalyptic number.

820973626622 is a deficient number, since it is larger than the sum of its proper divisors (414612608050).

820973626622 is a wasteful number, since it uses less digits than its factorization.

820973626622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253003.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 820973626622 in words is "eight hundred twenty billion, nine hundred seventy-three million, six hundred twenty-six thousand, six hundred twenty-two".