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20012020210212 = 22316310231094177
BaseRepresentation
bin1001000110011011010010…
…10110110001101000100100
32121212010112002121110012120
410203031221112301220210
510110334104133211322
6110321221204545540
74133551342101342
oct443155126615044
977763462543176
1020012020210212
116416060772968
1222b25690b22b0
13b221826a3564
144d283081a992
1524a85a299a5c
hex1233695b1a24

20012020210212 has 24 divisors (see below), whose sum is σ = 46981184465376. Its totient is φ = 6629749026048.

The previous prime is 20012020210211. The next prime is 20012020210243. The reversal of 20012020210212 is 21201202021002.

It is a junction number, because it is equal to n+sod(n) for n = 20012020210191 and 20012020210200.

It is not an unprimeable number, because it can be changed into a prime (20012020210211) 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, 5115545133 + ... + 5115549044.

It is an arithmetic number, because the mean of its divisors is an integer number (1957549352724).

Almost surely, 220012020210212 is an apocalyptic number.

It is an amenable number.

20012020210212 is an abundant number, since it is smaller than the sum of its proper divisors (26969164255164).

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

20012020210212 is a wasteful number, since it uses less digits than its factorization.

20012020210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10231094347 (or 10231094345 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20012020210212 its reverse (21201202021002), we get a palindrome (41213222231214).

The spelling of 20012020210212 in words is "twenty trillion, twelve billion, twenty million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 10231094177 20462188354 30693282531 40924376708 61386565062 122773130124 1667668350851 3335336701702 5003005052553 6670673403404 10006010105106 20012020210212