Search a number
-
+
2002202222020 = 22571113891123709
BaseRepresentation
bin11101001000101100100…
…011010101110111000100
321002102000220201022122121
4131020230203111313010
5230301002232101040
64131444330135324
7264440303040310
oct35105443256704
97072026638577
102002202222020
11702146a58890
12284059581544
13116a64893220
146cc9b148b40
15371364d7c4a
hex1d22c8d5dc4

2002202222020 has 192 divisors, whose sum is σ = 5708806387200. Its totient is φ = 569585111040.

The previous prime is 2002202221991. The next prime is 2002202222021. The reversal of 2002202222020 is 202222022002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2002202221985 and 2002202222003.

It is not an unprimeable number, because it can be changed into a prime (2002202222021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1219926 + ... + 2343634.

It is an arithmetic number, because the mean of its divisors is an integer number (29733366600).

Almost surely, 22002202222020 is an apocalyptic number.

2002202222020 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 2002202222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854403193600).

2002202222020 is an abundant number, since it is smaller than the sum of its proper divisors (3706604165180).

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

2002202222020 is a wasteful number, since it uses less digits than its factorization.

2002202222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123838 (or 1123836 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 2002202222020 its reverse (202222022002), we get a palindrome (2204424244022).

It can be divided in two parts, 2002202 and 222020, that added together give a palindrome (2224222).

The spelling of 2002202222020 in words is "two trillion, two billion, two hundred two million, two hundred twenty-two thousand, twenty".