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20233201344 = 2635910317341
BaseRepresentation
bin10010110101111111…
…100010011011000000
31221020002100010100120
4102311333202123000
5312414144420334
613143415420240
71314253242126
oct226577423300
957202303316
1020233201344
118643129704
123b08084680
131ba5ab80b5
14d9d26b916
157d6482949
hex4b5fe26c0

20233201344 has 112 divisors (see below), whose sum is σ = 54972752640. Its totient is φ = 6565340160.

The previous prime is 20233201343. The next prime is 20233201363. The reversal of 20233201344 is 44310233202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20233201343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158114 + ... + 1175454.

Almost surely, 220233201344 is an apocalyptic number.

20233201344 is a gapful number since it is divisible by the number (24) 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 20233201344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27486376320).

20233201344 is an abundant number, since it is smaller than the sum of its proper divisors (34739551296).

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

20233201344 is a wasteful number, since it uses less digits than its factorization.

20233201344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17518 (or 17508 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20233201344 its reverse (44310233202), we get a palindrome (64543434546).

The spelling of 20233201344 in words is "twenty billion, two hundred thirty-three million, two hundred one thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 59 64 96 103 118 177 192 206 236 309 354 412 472 618 708 824 944 1236 1416 1648 1888 2472 2832 3296 3776 4944 5664 6077 6592 9888 11328 12154 17341 18231 19776 24308 34682 36462 48616 52023 69364 72924 97232 104046 138728 145848 194464 208092 277456 291696 388928 416184 554912 583392 832368 1023119 1109824 1166784 1664736 1786123 2046238 3069357 3329472 3572246 4092476 5358369 6138714 7144492 8184952 10716738 12277428 14288984 16369904 21433476 24554856 28577968 32739808 42866952 49109712 57155936 65479616 85733904 98219424 105381257 114311872 171467808 196438848 210762514 316143771 342935616 421525028 632287542 843050056 1264575084 1686100112 2529150168 3372200224 5058300336 6744400448 10116600672 20233201344