Search a number
-
+
20012012120202 = 23106321577145417
BaseRepresentation
bin1001000110011011010001…
…10111111010100010001010
32121212010111112101102210120
410203031220313322202022
510110334100100321302
6110321220315324110
74133551213245324
oct443155067724212
977763445342716
1020012012120202
116416057147803
1222b2566450636
13b22180b0017b
144d282d712614
1524a8596ec9bc
hex123368dfa88a

20012012120202 has 32 divisors (see below), whose sum is σ = 40063808383872. Its totient is φ = 6664040688384.

The previous prime is 20012012120189. The next prime is 20012012120213. The reversal of 20012012120202 is 20202121021002.

It is a super-2 number, since 2×200120121202022 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137545398 + ... + 137690814.

It is an arithmetic number, because the mean of its divisors is an integer number (1251994011996).

Almost surely, 220012012120202 is an apocalyptic number.

20012012120202 is an abundant number, since it is smaller than the sum of its proper divisors (20051796263670).

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

20012012120202 is a wasteful number, since it uses less digits than its factorization.

20012012120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168062.

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

Adding to 20012012120202 its reverse (20202121021002), we get a palindrome (40214133141204).

The spelling of 20012012120202 in words is "twenty trillion, twelve billion, twelve million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 1063 2126 3189 6378 21577 43154 64731 129462 145417 290834 436251 872502 22936351 45872702 68809053 137618106 154578271 309156542 463734813 927469626 3137662609 6275325218 9412987827 18825975654 3335335353367 6670670706734 10006006060101 20012012120202