Search a number
-
+
2212220220020 = 225421792622419
BaseRepresentation
bin100000001100010010100…
…110011011001001110100
321211111010102122000212222
4200030102212123021310
5242221111334020040
64412140244501512
7315553610416466
oct40142246331164
97744112560788
102212220220020
11783219707178
122b88b00aa898
131307c4531965
1479101916136
153c8291c2bb5
hex2031299b274

2212220220020 has 24 divisors (see below), whose sum is σ = 4645774375200. Its totient is φ = 884866771232.

The previous prime is 2212220220017. The next prime is 2212220220031. The reversal of 2212220220020 is 200220222122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467630 + ... + 2154789.

It is an arithmetic number, because the mean of its divisors is an integer number (193573932300).

Almost surely, 22212220220020 is an apocalyptic number.

2212220220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212220220020 is an abundant number, since it is smaller than the sum of its proper divisors (2433554155180).

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

2212220220020 is a wasteful number, since it uses less digits than its factorization.

2212220220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664607 (or 2664605 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2212220220020 its reverse (200220222122), we get a palindrome (2412440442142).

The spelling of 2212220220020 in words is "two trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 42179 84358 168716 210895 421790 843580 2622419 5244838 10489676 13112095 26224190 52448380 110611011001 221222022002 442444044004 553055055005 1106110110010 2212220220020