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2033201220 = 2235131258677
BaseRepresentation
bin111100100110000…
…0011000001000100
312020200211022201220
41321030003001010
513130444414340
6533430320340
7101245632231
oct17114030104
95220738656
102033201220
11953764196
12488ab90b0
1326530045b
1415405c788
15bd76eed0
hex79303044

2033201220 has 48 divisors (see below), whose sum is σ = 5736443328. Its totient is φ = 538046080.

The previous prime is 2033201179. The next prime is 2033201221. The reversal of 2033201220 is 221023302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2033201220.

It is not an unprimeable number, because it can be changed into a prime (2033201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121479 + ... + 137198.

It is an arithmetic number, because the mean of its divisors is an integer number (119509236).

Almost surely, 22033201220 is an apocalyptic number.

2033201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2033201220 is an abundant number, since it is smaller than the sum of its proper divisors (3703242108).

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

2033201220 is a wasteful number, since it uses less digits than its factorization.

2033201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258820 (or 258818 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2033201220 is about 45091.0325896403. The cubic root of 2033201220 is about 1266.8546423089.

Adding to 2033201220 its reverse (221023302), we get a palindrome (2254224522).

The spelling of 2033201220 in words is "two billion, thirty-three million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 131 262 393 524 655 786 1310 1572 1965 2620 3930 7860 258677 517354 776031 1034708 1293385 1552062 2586770 3104124 3880155 5173540 7760310 15520620 33886687 67773374 101660061 135546748 169433435 203320122 338866870 406640244 508300305 677733740 1016600610 2033201220