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2002220120 = 23550055503
BaseRepresentation
bin111011101010111…
…0111010001011000
312011112112022122202
41313111313101120
513100032020440
6530402305332
7100421406305
oct16725672130
95145468582
102002220120
1193822367a
1247a658248
1325ba73a44
1414dcb60ac
15baba0615
hex77577458

2002220120 has 16 divisors (see below), whose sum is σ = 4504995360. Its totient is φ = 800888032.

The previous prime is 2002220063. The next prime is 2002220149. The reversal of 2002220120 is 210222002.

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, 25027712 + ... + 25027791.

It is an arithmetic number, because the mean of its divisors is an integer number (281562210).

Almost surely, 22002220120 is an apocalyptic number.

2002220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002220120 is an abundant number, since it is smaller than the sum of its proper divisors (2502775240).

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

2002220120 is a wasteful number, since it uses less digits than its factorization.

2002220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50055514 (or 50055510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2002220120 is about 44746.1743616144. The cubic root of 2002220120 is about 1260.3870734862.

Adding to 2002220120 its reverse (210222002), we get a palindrome (2212442122).

The spelling of 2002220120 in words is "two billion, two million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 50055503 100111006 200222012 250277515 400444024 500555030 1001110060 2002220120