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2002122201020 = 225100106110051
BaseRepresentation
bin11101001000100111110…
…010000101011110111100
321002101211100010211110212
4131020213302011132330
5230300321240413040
64131432351051552
7264435311626034
oct35104762053674
97071740124425
102002122201020
11702105872927
12284036810bb8
13116a51126416
146cc906788c4
153712e47cd65
hex1d227c857bc

2002122201020 has 12 divisors (see below), whose sum is σ = 4204456622184. Its totient is φ = 800848880400.

The previous prime is 2002122200993. The next prime is 2002122201029. The reversal of 2002122201020 is 201022212002.

Adding to 2002122201020 its reverse (201022212002), we get a palindrome (2203144413022).

It is a junction number, because it is equal to n+sod(n) for n = 2002122200986 and 2002122201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002122201029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50053055006 + ... + 50053055045.

It is an arithmetic number, because the mean of its divisors is an integer number (350371385182).

Almost surely, 22002122201020 is an apocalyptic number.

2002122201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002122201020 is an abundant number, since it is smaller than the sum of its proper divisors (2202334421164).

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

2002122201020 is a wasteful number, since it uses less digits than its factorization.

2002122201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100106110060 (or 100106110058 counting only the distinct ones).

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

The spelling of 2002122201020 in words is "two trillion, two billion, one hundred twenty-two million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 100106110051 200212220102 400424440204 500530550255 1001061100510 2002122201020