Search a number
-
+
220220220442056 = 23331295994919949
BaseRepresentation
bin110010000100101000000100…
…000000110000010111001000
31001212201211212210201010121220
4302010220010000300113020
5212331042002413121211
62100211434520002040
764246246233244512
oct6204500400602710
91055654783633556
10220220220442056
1164194964345a1a
12208481a2300320
1395b58a6b303a3
143c54a0362cbb2
151a6d67765b806
hexc84a040305c8

220220220442056 has 32 divisors (see below), whose sum is σ = 568310246304000. Its totient is φ = 71038780787520.

The previous prime is 220220220442049. The next prime is 220220220442109. The reversal of 220220220442056 is 650244022022022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147997459231 + ... + 147997460718.

It is an arithmetic number, because the mean of its divisors is an integer number (17759695197000).

Almost surely, 2220220220442056 is an apocalyptic number.

It is an amenable number.

220220220442056 is an abundant number, since it is smaller than the sum of its proper divisors (348090025861944).

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

220220220442056 is a wasteful number, since it uses less digits than its factorization.

220220220442056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295994919989 (or 295994919985 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 220220220442056 its reverse (650244022022022), we get a palindrome (870464242464078).

The spelling of 220220220442056 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred twenty million, four hundred forty-two thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 295994919949 591989839898 887984759847 1183979679796 1775969519694 2367959359592 3551939039388 7103878078776 9175842518419 18351685036838 27527527555257 36703370073676 55055055110514 73406740147352 110110110221028 220220220442056