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20020100220012 = 2232297285334869
BaseRepresentation
bin1001000110101010010101…
…11101100100010001101100
32121212220101012120110220210
410203111022331210101230
510111002131124020022
6110325035043342420
74134255514045254
oct443251275442154
977786335513823
1020020100220012
116419527718912
1222b4043081a10
13b22b6c67b349
144d2d99990964
1524ab7e7eba0c
hex12354af6446c

20020100220012 has 24 divisors (see below), whose sum is σ = 46917556562800. Its totient is φ = 6644225399616.

The previous prime is 20020100219993. The next prime is 20020100220059. The reversal of 20020100220012 is 21002200102002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20020100220012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3642664687 + ... + 3642670182.

Almost surely, 220020100220012 is an apocalyptic number.

It is an amenable number.

20020100220012 is an abundant number, since it is smaller than the sum of its proper divisors (26897456342788).

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

20020100220012 is a wasteful number, since it uses less digits than its factorization.

20020100220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285335105 (or 7285335103 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020100220012 its reverse (21002200102002), we get a palindrome (41022300322014).

The spelling of 20020100220012 in words is "twenty trillion, twenty billion, one hundred million, two hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 229 458 687 916 1374 2748 7285334869 14570669738 21856004607 29141339476 43712009214 87424018428 1668341685001 3336683370002 5005025055003 6673366740004 10010050110006 20020100220012