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20000220112210 = 2513295305098173
BaseRepresentation
bin1001000110000101010100…
…00000111110010101010010
32121211000001201122100211211
410203002222000332111102
510110140422322042320
6110311550235530334
74132653045653302
oct443025200762522
977730051570754
1020000220112210
116411055937658
1222b02152b99aa
13b21021a90550
144d2031597602
1524a3b936455a
hex1230aa03e552

20000220112210 has 32 divisors (see below), whose sum is σ = 40106542195440. Its totient is φ = 7130051943168.

The previous prime is 20000220112183. The next prime is 20000220112211. The reversal of 20000220112210 is 1221102200002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2607491841529 + 17392728270681 = 1614773^2 + 4170459^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (20000220112211) 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, 2652545317 + ... + 2652552856.

Almost surely, 220000220112210 is an apocalyptic number.

20000220112210 is an abundant number, since it is smaller than the sum of its proper divisors (20106322083230).

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

20000220112210 is a wasteful number, since it uses less digits than its factorization.

20000220112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305098222.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20000220112210 its reverse (1221102200002), we get a palindrome (21221322312212).

The spelling of 20000220112210 in words is "twenty trillion, two hundred twenty million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 29 58 65 130 145 290 377 754 1885 3770 5305098173 10610196346 26525490865 53050981730 68966276249 137932552498 153847847017 307695694034 344831381245 689662762490 769239235085 1538478470170 2000022011221 4000044022442 10000110056105 20000220112210