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2002003220 = 225714300023
BaseRepresentation
bin111011101010100…
…0010010100010100
312011112010022010102
41313111002110110
513100003100340
6530353513232
7100416514040
oct16725022424
95145108112
102002003220
11938095718
1247a572818
1325b9c90b9
1414dc5b020
15bab5b215
hex77542514

2002003220 has 24 divisors (see below), whose sum is σ = 4804808064. Its totient is φ = 686401056.

The previous prime is 2002003217. The next prime is 2002003247. The reversal of 2002003220 is 223002002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7149872 + ... + 7150151.

It is an arithmetic number, because the mean of its divisors is an integer number (200200336).

Almost surely, 22002003220 is an apocalyptic number.

2002003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002003220 is an abundant number, since it is smaller than the sum of its proper divisors (2802804844).

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

2002003220 is a wasteful number, since it uses less digits than its factorization.

2002003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14300039 (or 14300037 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2002003220 is about 44743.7506250873. The cubic root of 2002003220 is about 1260.3415593715.

Adding to 2002003220 its reverse (223002002), we get a palindrome (2225005222).

The spelling of 2002003220 in words is "two billion, two million, three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 14300023 28600046 57200092 71500115 100100161 143000230 200200322 286000460 400400644 500500805 1001001610 2002003220