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20144201202 = 2343119121001
BaseRepresentation
bin10010110000101100…
…000001110111110010
31220222212212110010000
4102300230001313302
5312223403414302
613130520050430
71312122612366
oct226054016762
956885773100
1020144201202
1185a7970574
123aa2303a16
131b905262a8
14d915012a6
157cd75231c
hex4b0b01df2

20144201202 has 80 divisors (see below), whose sum is σ = 46840172544. Its totient is φ = 6463800000.

The previous prime is 20144201123. The next prime is 20144201213. The reversal of 20144201202 is 20210244102.

20144201202 is a `hidden beast` number, since 20 + 1 + 442 + 0 + 1 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 948702 + ... + 969702.

Almost surely, 220144201202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20144201202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23420086272).

20144201202 is an abundant number, since it is smaller than the sum of its proper divisors (26695971342).

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

20144201202 is a wasteful number, since it uses less digits than its factorization.

20144201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21237 (or 21228 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20144201202 its reverse (20210244102), we get a palindrome (40354445304).

The spelling of 20144201202 in words is "twenty billion, one hundred forty-four million, two hundred one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 31 54 62 81 93 162 186 191 279 382 558 573 837 1146 1674 1719 2511 3438 5022 5157 5921 10314 11842 15471 17763 21001 30942 35526 42002 53289 63003 106578 126006 159867 189009 319734 378018 479601 567027 651031 959202 1134054 1302062 1701081 1953093 3402162 3906186 4011191 5859279 8022382 11718558 12033573 17577837 24067146 35155674 36100719 52733511 72201438 105467022 108302157 124346921 216604314 248693842 324906471 373040763 649812942 746081526 1119122289 2238244578 3357366867 6714733734 10072100601 20144201202