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20230112320 = 2651129198179
BaseRepresentation
bin10010110101110011…
…110000010001000000
31221012212112012000021
4102311303300101000
5312412402043240
613143225303224
71314215055205
oct226563602100
957185465007
1020230112320
1186414098a0
123b07034b14
131ba5276082
14d9caa5cac
157d607254a
hex4b5cf0440

20230112320 has 112 divisors (see below), whose sum is σ = 54364737600. Its totient is φ = 7102699520.

The previous prime is 20230112317. The next prime is 20230112363. The reversal of 20230112320 is 2321103202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20230112294 and 20230112303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2991 + ... + 201169.

Almost surely, 220230112320 is an apocalyptic number.

20230112320 is a gapful number since it is divisible by the number (20) 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 20230112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27182368800).

20230112320 is an abundant number, since it is smaller than the sum of its proper divisors (34134625280).

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

20230112320 is a wasteful number, since it uses less digits than its factorization.

20230112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198236 (or 198226 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20230112320 its reverse (2321103202), we get a palindrome (22551215522).

The spelling of 20230112320 in words is "twenty billion, two hundred thirty million, one hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 29 32 40 44 55 58 64 80 88 110 116 145 160 176 220 232 290 319 320 352 440 464 580 638 704 880 928 1160 1276 1595 1760 1856 2320 2552 3190 3520 4640 5104 6380 9280 10208 12760 20416 25520 51040 102080 198179 396358 792716 990895 1585432 1981790 2179969 3170864 3963580 4359938 5747191 6341728 7927160 8719876 10899845 11494382 12683456 15854320 17439752 21799690 22988764 28735955 31708640 34879504 43599380 45977528 57471910 63219101 63417280 69759008 87198760 91955056 114943820 126438202 139518016 174397520 183910112 229887640 252876404 316095505 348795040 367820224 459775280 505752808 632191010 697590080 919550560 1011505616 1264382020 1839101120 2023011232 2528764040 4046022464 5057528080 10115056160 20230112320