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2222020120 = 23555550503
BaseRepresentation
bin1000010001110001…
…0101011000011000
312201212010022120111
42010130111120120
514022314120440
61004253334104
7106030600525
oct20434253030
95655108514
102222020120
11a402aa671
12520197334
13295471408
1417117014c
15d011b4ea
hex84715618

2222020120 has 16 divisors (see below), whose sum is σ = 4999545360. Its totient is φ = 888808032.

The previous prime is 2222020109. The next prime is 2222020121. The reversal of 2222020120 is 210202222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222020120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222020121) 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, 27775212 + ... + 27775291.

It is an arithmetic number, because the mean of its divisors is an integer number (312471585).

Almost surely, 22222020120 is an apocalyptic number.

2222020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222020120 is an abundant number, since it is smaller than the sum of its proper divisors (2777525240).

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

2222020120 is a wasteful number, since it uses less digits than its factorization.

2222020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550514 (or 55550510 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2222020120 is about 47138.3084125852. The cubic root of 2222020120 is about 1304.9163190178.

Adding to 2222020120 its reverse (210202222), we get a palindrome (2432222342).

The spelling of 2222020120 in words is "two billion, two hundred twenty-two million, twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 55550503 111101006 222202012 277752515 444404024 555505030 1111010060 2222020120