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2004022420 = 225503199207
BaseRepresentation
bin111011101110010…
…1111010010010100
312011122220212221121
41313130233102110
513101012204140
6530505053324
7100442623651
oct16734572224
95148825847
102004022420
11939244784
1247b187244
1325c2551aa
14150224c28
15bae0964a
hex7772f494

2004022420 has 24 divisors (see below), whose sum is σ = 4216834944. Its totient is φ = 800011296.

The previous prime is 2004022399. The next prime is 2004022421. The reversal of 2004022420 is 242204002.

It is a super-2 number, since 2×20040224202 = 8032211719725312800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2004022394 and 2004022403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004022421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89544 + ... + 109663.

It is an arithmetic number, because the mean of its divisors is an integer number (175701456).

Almost surely, 22004022420 is an apocalyptic number.

2004022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004022420 is an abundant number, since it is smaller than the sum of its proper divisors (2212812524).

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

2004022420 is a wasteful number, since it uses less digits than its factorization.

2004022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199719 (or 199717 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2004022420 is about 44766.3089834308. The cubic root of 2004022420 is about 1260.7651395386.

Adding to 2004022420 its reverse (242204002), we get a palindrome (2246226422).

The spelling of 2004022420 in words is "two billion, four million, twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 503 1006 2012 2515 5030 10060 199207 398414 796828 996035 1992070 3984140 100201121 200402242 400804484 501005605 1002011210 2004022420