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10002322220 = 22511216325357
BaseRepresentation
bin10010101000010111…
…10101001100101100
3221211002010121121112
421110023311030230
5130441043302340
64332304251152
7502603223162
oct112413651454
927732117545
1010002322220
114273060800
121b31910ab8
13c35321477
146ac5a9232
153d81bb065
hex2542f532c

10002322220 has 72 divisors (see below), whose sum is σ = 23230565232. Its totient is φ = 3614751360.

The previous prime is 10002322219. The next prime is 10002322223. The reversal of 10002322220 is 2222320001.

It is a junction number, because it is equal to n+sod(n) for n = 10002322195 and 10002322204.

It is not an unprimeable number, because it can be changed into a prime (10002322223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381782 + ... + 407138.

Almost surely, 210002322220 is an apocalyptic number.

10002322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10002322220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11615282616).

10002322220 is an abundant number, since it is smaller than the sum of its proper divisors (13228243012).

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

10002322220 is a wasteful number, since it uses less digits than its factorization.

10002322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25551 (or 25538 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 10002322220 its reverse (2222320001), we get a palindrome (12224642221).

The spelling of 10002322220 in words is "ten billion, two million, three hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 163 220 242 326 484 605 652 815 1210 1630 1793 2420 3260 3586 7172 8965 17930 19723 25357 35860 39446 50714 78892 98615 101428 126785 197230 253570 278927 394460 507140 557854 1115708 1394635 2789270 3068197 4133191 5578540 6136394 8266382 12272788 15340985 16532764 20665955 30681970 41331910 45465101 61363940 82663820 90930202 181860404 227325505 454651010 500116111 909302020 1000232222 2000464444 2500580555 5001161110 10002322220