Search a number
-
+
220212020212221 = 3193863368775653
BaseRepresentation
bin110010000100100000011011…
…001111010111000111111101
31001212201001201022112022000210
4302010200123033113013331
5212330423204133242341
62100204001104343033
764245536101402062
oct6204403317270775
91055631638468023
10220212020212221
1164191436548974
1220846694014a79
1395b4b9ac8249b
143c54466522c69
151a6d3477adc16
hexc8481b3d71fd

220212020212221 has 8 divisors (see below), whose sum is σ = 309069502052320. Its totient is φ = 139081275923472.

The previous prime is 220212020212193. The next prime is 220212020212229. The reversal of 220212020212221 is 122212020212022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220212020212221 - 214 = 220212020195837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212020212229) 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, 1931684387770 + ... + 1931684387883.

It is an arithmetic number, because the mean of its divisors is an integer number (38633687756540).

Almost surely, 2220212020212221 is an apocalyptic number.

It is an amenable number.

220212020212221 is a deficient number, since it is larger than the sum of its proper divisors (88857481840099).

220212020212221 is a wasteful number, since it uses less digits than its factorization.

220212020212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863368775675.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220212020212221 its reverse (122212020212022), we get a palindrome (342424040424243).

The spelling of 220212020212221 in words is "two hundred twenty trillion, two hundred twelve billion, twenty million, two hundred twelve thousand, two hundred twenty-one".

Divisors: 1 3 19 57 3863368775653 11590106326959 73404006737407 220212020212221