Search a number
-
+
20200021100000 = 25557139920627
BaseRepresentation
bin1001001011111001011110…
…00101010000010111100000
32122112002210012110011220122
410211330233011100113200
510121424120400200000
6110543432300255412
74153255232225630
oct445745705202740
978462705404818
1020200021100000
11648886532aa55
122322a96241568
13b36b13aacc01
144db9870726c0
152506b00c7085
hex125f2f1505e0

20200021100000 has 288 divisors, whose sum is σ = 56852286220800. Its totient is φ = 6920435520000.

The previous prime is 20200021099949. The next prime is 20200021100053. The reversal of 20200021100000 is 112000202.

20200021100000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 979289687 + ... + 979310313.

It is an arithmetic number, because the mean of its divisors is an integer number (197403771600).

Almost surely, 220200021100000 is an apocalyptic number.

20200021100000 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 20200021100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28426143110400).

20200021100000 is an abundant number, since it is smaller than the sum of its proper divisors (36652265120800).

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

20200021100000 is an equidigital number, since it uses as much as digits as its factorization.

20200021100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22068 (or 22040 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20200021100000 its reverse (112000202), we get a palindrome (20200133100202).

The spelling of 20200021100000 in words is "twenty trillion, two hundred billion, twenty-one million, one hundred thousand".