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22520230540 = 2252415937879
BaseRepresentation
bin10100111110010011…
…110111001010001100
32011010110210020121121
4110332103313022030
5332110134334130
614202354410324
71425033541543
oct247623671214
964113706547
1022520230540
1196070a0585
124445b909a4
13217b86b402
141138cc115a
158bc140d7a
hex53e4f728c

22520230540 has 48 divisors (see below), whose sum is σ = 47574838080. Its totient is φ = 8954449920.

The previous prime is 22520230493. The next prime is 22520230541. The reversal of 22520230540 is 4503202522.

It is a happy number.

It is a super-3 number, since 3×225202305403 (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22520230541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2854321 + ... + 2862199.

It is an arithmetic number, because the mean of its divisors is an integer number (991142460).

Almost surely, 222520230540 is an apocalyptic number.

22520230540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22520230540 is an abundant number, since it is smaller than the sum of its proper divisors (25054607540).

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

22520230540 is a wasteful number, since it uses less digits than its factorization.

22520230540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8722 (or 8720 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 22520230540 in words is "twenty-two billion, five hundred twenty million, two hundred thirty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 241 482 593 964 1186 1205 2372 2410 2965 4820 5930 7879 11860 15758 31516 39395 78790 142913 157580 285826 571652 714565 1429130 1898839 2858260 3797678 4672247 7595356 9344494 9494195 18688988 18988390 23361235 37976780 46722470 93444940 1126011527 2252023054 4504046108 5630057635 11260115270 22520230540