Search a number
-
+
22120022110220 = 2255320867945387
BaseRepresentation
bin1010000011110001110000…
…00011110111000000001100
32220022122122101002021122022
411001320320003313000030
510344403301130011340
6115013444201305312
74442055524440436
oct501707003670014
986278571067568
1022120022110220
1170590598a4751
122593012795238
13c45ba84a4228
14566886d6b656
152855d4c353b5
hex141e380f700c

22120022110220 has 24 divisors (see below), whose sum is σ = 47328500139984. Its totient is φ = 8681065280576.

The previous prime is 22120022110201. The next prime is 22120022110229. The reversal of 22120022110220 is 2201122002122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22120022110229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10433971634 + ... + 10433973753.

It is an arithmetic number, because the mean of its divisors is an integer number (1972020839166).

Almost surely, 222120022110220 is an apocalyptic number.

22120022110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120022110220 is an abundant number, since it is smaller than the sum of its proper divisors (25208478029764).

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

22120022110220 is a wasteful number, since it uses less digits than its factorization.

22120022110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20867945449 (or 20867945447 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22120022110220 its reverse (2201122002122), we get a palindrome (24321144112342).

The spelling of 22120022110220 in words is "twenty-two trillion, one hundred twenty billion, twenty-two million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 20867945387 41735890774 83471781548 104339726935 208679453870 417358907740 1106001105511 2212002211022 4424004422044 5530005527555 11060011055110 22120022110220