20852874000 has 480 divisors, whose sum is σ = 83649646080. Its totient is φ = 4742784000.

The previous prime is 20852873989. The next prime is 20852874001. The reversal of 20852874000 is 47825802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20852874001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45233770 + ... + 45234230.

It is an arithmetic number, because the mean of its divisors is an integer number (174270096).

Almost surely, 2^20852874000 is an apocalyptic number.

20852874000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20852874000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41824823040).

20852874000 is an abundant number, since it is smaller than the sum of its proper divisors (62796772080).

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

20852874000 is a wasteful number, since it uses less digits than its factorization.

20852874000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 20852874000 in words is "twenty billion, eight hundred fifty-two million, eight hundred seventy-four thousand".