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20006484446 = 21329315711499
BaseRepresentation
bin10010101000011110…
…101011100111011110
31220122021201201020102
4102220132223213132
5311433130000241
613105120221102
71305531211664
oct225036534736
956567651212
1020006484446
118537158973
123a6416a792
131b6ab382a0
14d7b0d2c34
157c15ec39b
hex4a87ab9de

20006484446 has 64 divisors (see below), whose sum is σ = 34594560000. Its totient is φ = 8606908800.

The previous prime is 20006484419. The next prime is 20006484457. The reversal of 20006484446 is 64448460002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13345805 + ... + 13347303.

It is an arithmetic number, because the mean of its divisors is an integer number (540540000).

Almost surely, 220006484446 is an apocalyptic number.

20006484446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20006484446 is a deficient number, since it is larger than the sum of its proper divisors (14588075554).

20006484446 is a wasteful number, since it uses less digits than its factorization.

20006484446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145.

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 20006484446 in words is "twenty billion, six million, four hundred eighty-four thousand, four hundred forty-six".

Divisors: 1 2 13 26 29 31 58 62 377 403 571 754 806 899 1142 1499 1798 2998 7423 11687 14846 16559 17701 19487 23374 33118 35402 38974 43471 46469 86942 92938 215267 230113 430534 460226 513329 565123 604097 855929 1026658 1130246 1208194 1347601 1711858 2695202 6673277 11127077 13346554 17518813 22254154 24821941 26533799 35037626 49643882 53067598 322685233 344939387 645370466 689878774 769480171 1538960342 10003242223 20006484446