852490780220 has 24 divisors (see below), whose sum is σ = 1792851795504. Its totient is φ = 340497044096.

The previous prime is 852490780139. The next prime is 852490780223. The reversal of 852490780220 is 22087094258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852490780223) 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, 31190249 + ... + 31217568.

It is an arithmetic number, because the mean of its divisors is an integer number (74702158146).

Almost surely, 2^852490780220 is an apocalyptic number.

It is an amenable number.

852490780220 is an abundant number, since it is smaller than the sum of its proper divisors (940361015284).

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

852490780220 is a wasteful number, since it uses less digits than its factorization.

852490780220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62408509 (or 62408507 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 852490780220 in words is "eight hundred fifty-two billion, four hundred ninety million, seven hundred eighty thousand, two hundred twenty".