Search a number
-
+
2020221120020 = 225101011056001
BaseRepresentation
bin11101011001011110100…
…011111110111000010100
321011010112200110011212012
4131121132203332320110
5231044403101320040
64144024325443352
7265645651121525
oct35313643767024
97133480404765
102020221120020
11709853178624
12287647b70558
131186769ac44c
146daca29484c
153783d375865
hex1d65e8fee14

2020221120020 has 12 divisors (see below), whose sum is σ = 4242464352084. Its totient is φ = 808088448000.

The previous prime is 2020221119993. The next prime is 2020221120031. The reversal of 2020221120020 is 200211220202.

It can be written as a sum of positive squares in 2 ways, for example, as 709095358084 + 1311125761936 = 842078^2 + 1145044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020221119977 and 2020221120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50505527981 + ... + 50505528020.

It is an arithmetic number, because the mean of its divisors is an integer number (353538696007).

Almost surely, 22020221120020 is an apocalyptic number.

2020221120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020221120020 is an abundant number, since it is smaller than the sum of its proper divisors (2222243232064).

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

2020221120020 is a wasteful number, since it uses less digits than its factorization.

2020221120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101011056010 (or 101011056008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2020221120020 its reverse (200211220202), we get a palindrome (2220432340222).

The spelling of 2020221120020 in words is "two trillion, twenty billion, two hundred twenty-one million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 101011056001 202022112002 404044224004 505055280005 1010110560010 2020221120020