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20341330254 = 235714874021
BaseRepresentation
bin10010111100011100…
…000001000101001110
31221111121210122100000
4102330130001011032
5313124340032004
613202241145130
71320035311560
oct227434010516
957447718300
1020341330254
118699172543
123b3832b1a6
131bc23168bb
14dad777330
157e0be0c39
hex4bc70114e

20341330254 has 96 divisors (see below), whose sum is σ = 52282653696. Its totient is φ = 5806455840.

The previous prime is 20341330253. The next prime is 20341330259. The reversal of 20341330254 is 45203314302.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341330253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5056764 + ... + 5060784.

It is an arithmetic number, because the mean of its divisors is an integer number (544610976).

Almost surely, 220341330254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20341330254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26141326848).

20341330254 is an abundant number, since it is smaller than the sum of its proper divisors (31941323442).

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

20341330254 is a wasteful number, since it uses less digits than its factorization.

20341330254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20341330254 its reverse (45203314302), we get a palindrome (65544644556).

The spelling of 20341330254 in words is "twenty billion, three hundred forty-one million, three hundred thirty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 1134 1487 1701 2974 3402 4021 4461 8042 8922 10409 12063 13383 20818 24126 26766 28147 31227 36189 40149 56294 62454 72378 80298 84441 93681 108567 120447 168882 187362 217134 240894 253323 281043 325701 361341 506646 562086 651402 722682 759969 843129 977103 1519938 1686258 1954206 2279907 2529387 4559814 5058774 5979227 6839721 11958454 13679442 17937681 35875362 41854589 53813043 83709178 107626086 125563767 161439129 251127534 322878258 376691301 484317387 753382602 968634774 1130073903 1452952161 2260147806 2905904322 3390221709 6780443418 10170665127 20341330254