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2004242020 = 2251167227599
BaseRepresentation
bin111011101110110…
…0100111001100100
312011200100001011221
41313131210321210
513101041221040
6530513510124
7100444530124
oct16735447144
95150301157
102004242020
11939384770
1247b272344
1325c301131
14150280c84
15bae4e74a
hex77764e64

2004242020 has 96 divisors (see below), whose sum is σ = 4688409600. Its totient is φ = 713581440.

The previous prime is 2004242003. The next prime is 2004242027. The reversal of 2004242020 is 202424002.

It is a junction number, because it is equal to n+sod(n) for n = 2004241985 and 2004242003.

It is not an unprimeable number, because it can be changed into a prime (2004242027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3345681 + ... + 3346279.

It is an arithmetic number, because the mean of its divisors is an integer number (48837600).

Almost surely, 22004242020 is an apocalyptic number.

2004242020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2004242020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344204800).

2004242020 is an abundant number, since it is smaller than the sum of its proper divisors (2684167580).

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

2004242020 is a wasteful number, since it uses less digits than its factorization.

2004242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 911 counting only the distinct ones).

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

The square root of 2004242020 is about 44768.7616536352. The cubic root of 2004242020 is about 1260.8111892417.

Adding to 2004242020 its reverse (202424002), we get a palindrome (2206666022).

The spelling of 2004242020 in words is "two billion, four million, two hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 67 110 134 220 227 268 335 454 599 670 737 908 1135 1198 1340 1474 2270 2396 2497 2948 2995 3685 4540 4994 5990 6589 7370 9988 11980 12485 13178 14740 15209 24970 26356 30418 32945 40133 49940 60836 65890 76045 80266 131780 135973 152090 160532 167299 200665 271946 304180 334598 401330 441463 543892 669196 679865 802660 836495 882926 1359730 1495703 1672990 1765852 2207315 2719460 2991406 3345980 4414630 5982812 7478515 8829260 9110191 14957030 18220382 29914060 36440764 45550955 91101910 100212101 182203820 200424202 400848404 501060505 1002121010 2004242020