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2004222020 = 225100211101
BaseRepresentation
bin111011101110110…
…0000000001000100
312011200022000202012
41313131200001010
513101040101040
6530513233352
7100444414613
oct16735400104
95150260665
102004222020
11939370739
1247b262858
1325c2c4cb8
1415027787a
15bae48865
hex77760044

2004222020 has 12 divisors (see below), whose sum is σ = 4208866284. Its totient is φ = 801688800.

The previous prime is 2004222007. The next prime is 2004222071. The reversal of 2004222020 is 202224002.

It can be written as a sum of positive squares in 2 ways, for example, as 307441156 + 1696780864 = 17534^2 + 41192^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2004221986 and 2004222004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50105531 + ... + 50105570.

It is an arithmetic number, because the mean of its divisors is an integer number (350738857).

Almost surely, 22004222020 is an apocalyptic number.

2004222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004222020 is an abundant number, since it is smaller than the sum of its proper divisors (2204644264).

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

2004222020 is a wasteful number, since it uses less digits than its factorization.

2004222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100211110 (or 100211108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2004222020 is about 44768.5382830398. The cubic root of 2004222020 is about 1260.8069954189.

Adding to 2004222020 its reverse (202224002), we get a palindrome (2206446022).

The spelling of 2004222020 in words is "two billion, four million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 100211101 200422202 400844404 501055505 1002111010 2004222020