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2033121220 = 2251319411563
BaseRepresentation
bin111100100101110…
…1111011111000100
312020200200020222221
41321023233133010
513130434334340
6533424502124
7101245150054
oct17113573704
95220606887
102033121220
1195370a079
12488a7a944
132652a2c10
1415403b564
15bd75644a
hex792ef7c4

2033121220 has 48 divisors (see below), whose sum is σ = 4839992640. Its totient is φ = 711179136.

The previous prime is 2033121203. The next prime is 2033121247. The reversal of 2033121220 is 221213302.

It is a junction number, because it is equal to n+sod(n) for n = 2033121194 and 2033121203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200842 + ... + 210721.

It is an arithmetic number, because the mean of its divisors is an integer number (100833180).

Almost surely, 22033121220 is an apocalyptic number.

2033121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2033121220 is an abundant number, since it is smaller than the sum of its proper divisors (2806871420).

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

2033121220 is a wasteful number, since it uses less digits than its factorization.

2033121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411604 (or 411602 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2033121220 is about 45090.1454865695. The cubic root of 2033121220 is about 1266.8380265243.

Adding to 2033121220 its reverse (221213302), we get a palindrome (2254334522).

The spelling of 2033121220 in words is "two billion, thirty-three million, one hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 411563 823126 1646252 2057815 4115630 5350319 7819697 8231260 10700638 15639394 21401276 26751595 31278788 39098485 53503190 78196970 101656061 107006380 156393940 203312122 406624244 508280305 1016560610 2033121220