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22220032120 = 23511132298817
BaseRepresentation
bin10100101100011010…
…101100100001111000
32010100112220120210121
4110230122230201320
5331001312011440
614112512223024
71414430104516
oct245432544170
963315816717
1022220032120
1194726a1010
12438153aa74
132131601200
14110b0994b6
158a0ae334a
hex52c6ac878

22220032120 has 96 divisors (see below), whose sum is σ = 59058389520. Its totient is φ = 7458447360.

The previous prime is 22220032111. The next prime is 22220032171. The reversal of 22220032120 is 2123002222.

It is a junction number, because it is equal to n+sod(n) for n = 22220032094 and 22220032103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75049 + ... + 223768.

Almost surely, 222220032120 is an apocalyptic number.

22220032120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220032120 is an abundant number, since it is smaller than the sum of its proper divisors (36838357400).

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

22220032120 is a wasteful number, since it uses less digits than its factorization.

22220032120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298865 (or 298848 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22220032120 its reverse (2123002222), we get a palindrome (24343034342).

The spelling of 22220032120 in words is "twenty-two billion, two hundred twenty million, thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 169 220 260 286 338 440 520 572 676 715 845 1144 1352 1430 1690 1859 2860 3380 3718 5720 6760 7436 9295 14872 18590 37180 74360 298817 597634 1195268 1494085 2390536 2988170 3286987 3884621 5976340 6573974 7769242 11952680 13147948 15538484 16434935 19423105 26295896 31076968 32869870 38846210 42730831 50500073 65739740 77692420 85461662 101000146 131479480 155384840 170923324 202000292 213654155 252500365 341846648 404000584 427308310 505000730 555500803 854616620 1010001460 1111001606 1709233240 2020002920 2222003212 2777504015 4444006424 5555008030 11110016060 22220032120