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1333332220 = 2251119318979
BaseRepresentation
bin100111101111001…
…0000100011111100
310102220220021221211
41033132100203330
510212313112340
6340145534204
745020064643
oct11736204374
93386807854
101333332220
116246a4260
12312644364
1318330889c
14c911a35a
157c0c65ea
hex4f7908fc

1333332220 has 48 divisors (see below), whose sum is σ = 3215318400. Its totient is φ = 459328320.

The previous prime is 1333332199. The next prime is 1333332257. The reversal of 1333332220 is 222333331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1333332191 and 1333332200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155310 + ... + 163669.

It is an arithmetic number, because the mean of its divisors is an integer number (66985800).

Almost surely, 21333332220 is an apocalyptic number.

1333332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333332220 is an abundant number, since it is smaller than the sum of its proper divisors (1881986180).

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

1333332220 is a wasteful number, since it uses less digits than its factorization.

1333332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319018 (or 319016 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 1333332220 is about 36514.8219220634. The cubic root of 1333332220 is about 1100.6421099527.

Adding to 1333332220 its reverse (222333331), we get a palindrome (1555665551).

The spelling of 1333332220 in words is "one billion, three hundred thirty-three million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 4180 318979 637958 1275916 1594895 3189790 3508769 6060601 6379580 7017538 12121202 14035076 17543845 24242404 30303005 35087690 60606010 66666611 70175380 121212020 133333222 266666444 333333055 666666110 1333332220