Search a number
-
+
20020221322344 = 23321193923289943
BaseRepresentation
bin1001000110101010100100…
…01011100010010001101000
32121212220200122110010002100
410203111102023202101220
510111002403124303334
6110325055051133400
74134261514310265
oct443252213422150
977786618403070
1020020221322344
11641958a012891
1222b4077744260
13b22b8b79cc29
144d2dabab626c
1524ab8a26dc99
hex1235522e2468

20020221322344 has 48 divisors (see below), whose sum is σ = 54225976615200. Its totient is φ = 6672847862304.

The previous prime is 20020221322327. The next prime is 20020221322363. The reversal of 20020221322344 is 44322312202002.

20020221322344 is a `hidden beast` number, since 20 + 0 + 202 + 213 + 223 + 4 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10785364 + ... + 12504579.

It is an arithmetic number, because the mean of its divisors is an integer number (1129707846150).

Almost surely, 220020221322344 is an apocalyptic number.

20020221322344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20020221322344 is an abundant number, since it is smaller than the sum of its proper divisors (34205755292856).

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

20020221322344 is a wasteful number, since it uses less digits than its factorization.

20020221322344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23301894 (or 23301887 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20020221322344 its reverse (44322312202002), we get a palindrome (64342533524346).

The spelling of 20020221322344 in words is "twenty trillion, twenty billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 11939 23878 35817 47756 71634 95512 107451 143268 214902 286536 429804 859608 23289943 46579886 69869829 93159772 139739658 186319544 209609487 279479316 419218974 558958632 838437948 1676875896 278058629477 556117258954 834175888431 1112234517908 1668351776862 2224469035816 2502527665293 3336703553724 5005055330586 6673407107448 10010110661172 20020221322344