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20122103223030 = 2351935301935479
BaseRepresentation
bin1001001001101000010101…
…10100001001001011110110
32122020122122222012220202110
410210310022310021023312
510114140031411114110
6110443544441551450
74144526322213564
oct444641264111366
978218588186673
1020122103223030
116458810761806
12230b96b7a5586
13b2c677146c73
144d7cb4a4ca34
1524d64e7dda20
hex124d0ad092f6

20122103223030 has 32 divisors (see below), whose sum is σ = 50834787091200. Its totient is φ = 5083478708832.

The previous prime is 20122103223029. The next prime is 20122103223037. The reversal of 20122103223030 is 3032230122102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122103222988 and 20122103223006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122103223037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17650967170 + ... + 17650968309.

It is an arithmetic number, because the mean of its divisors is an integer number (1588587096600).

Almost surely, 220122103223030 is an apocalyptic number.

20122103223030 is an abundant number, since it is smaller than the sum of its proper divisors (30712683868170).

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

20122103223030 is a wasteful number, since it uses less digits than its factorization.

20122103223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35301935508.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20122103223030 its reverse (3032230122102), we get a palindrome (23154333345132).

The spelling of 20122103223030 in words is "twenty trillion, one hundred twenty-two billion, one hundred three million, two hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 35301935479 70603870958 105905806437 176509677395 211811612874 353019354790 529529032185 670736774101 1059058064370 1341473548202 2012210322303 3353683870505 4024420644606 6707367741010 10061051611515 20122103223030