820714445152 has 48 divisors (see below), whose sum is σ = 1847658193920. Its totient is φ = 351534630528.

The previous prime is 820714445149. The next prime is 820714445153. The reversal of 820714445152 is 251544417028.

It is a junction number, because it is equal to n+sod(n) for n = 820714445099 and 820714445108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820714445153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647458 + ... + 1435489.

It is an arithmetic number, because the mean of its divisors is an integer number (38492879040).

Almost surely, 2^820714445152 is an apocalyptic number.

It is an amenable number.

820714445152 is an abundant number, since it is smaller than the sum of its proper divisors (1026943748768).

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

820714445152 is a wasteful number, since it uses less digits than its factorization.

820714445152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084723 (or 2084715 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 43.

The spelling of 820714445152 in words is "eight hundred twenty billion, seven hundred fourteen million, four hundred forty-five thousand, one hundred fifty-two".