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2221402133320 = 235131942103907
BaseRepresentation
bin100000010100110101111…
…000101001001101001000
321212100211100000120000221
4200110311320221031020
5242343412421231240
64420255325035424
7316330262405146
oct40246570511510
97770740016027
102221402133320
11787100657577
122ba6330b5b74
131316288a5956
1479733162596
153cbb5334a4a
hex20535e29348

2221402133320 has 32 divisors (see below), whose sum is σ = 5001944270400. Its totient is φ = 887887169728.

The previous prime is 2221402133243. The next prime is 2221402133333. The reversal of 2221402133320 is 233312041222.

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 7 ways as a sum of consecutive naturals, for example, 20999194 + ... + 21104713.

It is an arithmetic number, because the mean of its divisors is an integer number (156310758450).

Almost surely, 22221402133320 is an apocalyptic number.

2221402133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221402133320 is an abundant number, since it is smaller than the sum of its proper divisors (2780542137080).

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

2221402133320 is a wasteful number, since it uses less digits than its factorization.

2221402133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42105237 (or 42105233 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2221402133320 its reverse (233312041222), we get a palindrome (2454714174542).

The spelling of 2221402133320 in words is "two trillion, two hundred twenty-one billion, four hundred two million, one hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1319 2638 5276 6595 10552 13190 26380 52760 42103907 84207814 168415628 210519535 336831256 421039070 842078140 1684156280 55535053333 111070106666 222140213332 277675266665 444280426664 555350533330 1110701066660 2221402133320