20652050000 has 120 divisors (see below), whose sum is σ = 52648192800. Its totient is φ = 7825680000.

The previous prime is 20652049997. The next prime is 20652050021. The reversal of 20652050000 is 5025602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 939131 + ... + 960869.

It is an arithmetic number, because the mean of its divisors is an integer number (438734940).

Almost surely, 2^20652050000 is an apocalyptic number.

20652050000 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 20652050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26324096400).

20652050000 is an abundant number, since it is smaller than the sum of its proper divisors (31996142800).

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

20652050000 is an equidigital number, since it uses as much as digits as its factorization.

20652050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21791 (or 21765 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 20652050000 its reverse (5025602), we get a palindrome (20657075602).

The spelling of 20652050000 in words is "twenty billion, six hundred fifty-two million, fifty thousand".