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2004480020 = 225208748023
BaseRepresentation
bin111011101111001…
…1111000000010100
312011200210010122202
41313132133000110
513101121330040
6530522544032
7100446541034
oct16736370024
95150703582
102004480020
11939527564
1247b368018
1325c38556a
141503038c4
15bae9a015
hex7779f014

2004480020 has 24 divisors (see below), whose sum is σ = 4211512704. Its totient is φ = 801391136.

The previous prime is 2004480019. The next prime is 2004480053. The reversal of 2004480020 is 200844002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2004479974 and 2004480001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17729 + ... + 65751.

It is an arithmetic number, because the mean of its divisors is an integer number (175479696).

Almost surely, 22004480020 is an apocalyptic number.

2004480020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004480020 is an abundant number, since it is smaller than the sum of its proper divisors (2207032684).

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

2004480020 is a wasteful number, since it uses less digits than its factorization.

2004480020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50119 (or 50117 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2004480020 is about 44771.4196781831. The cubic root of 2004480020 is about 1260.8610935918.

The spelling of 2004480020 in words is "two billion, four million, four hundred eighty thousand, twenty".

Divisors: 1 2 4 5 10 20 2087 4174 8348 10435 20870 41740 48023 96046 192092 240115 480230 960460 100224001 200448002 400896004 501120005 1002240010 2004480020