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20410201240 = 23511133568217
BaseRepresentation
bin10011000000100010…
…101111010010011000
31221200102101122120021
4103000202233102120
5313300002414430
613213141240224
71321532563612
oct230042572230
957612348507
1020410201240
118724032310
123b57403074
131c0367b570
14db8983db2
157e6c9707a
hex4c08af498

20410201240 has 64 divisors (see below), whose sum is σ = 53951456160. Its totient is φ = 6850974720.

The previous prime is 20410201211. The next prime is 20410201271. The reversal of 20410201240 is 4210201402.

It is a congruent number.

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, 1778389 + ... + 1789828.

Almost surely, 220410201240 is an apocalyptic number.

20410201240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410201240 is an abundant number, since it is smaller than the sum of its proper divisors (33541254920).

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

20410201240 is a wasteful number, since it uses less digits than its factorization.

20410201240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568252 (or 3568248 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20410201240 its reverse (4210201402), we get a palindrome (24620402642).

The spelling of 20410201240 in words is "twenty billion, four hundred ten million, two hundred one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1144 1430 2860 5720 3568217 7136434 14272868 17841085 28545736 35682170 39250387 46386821 71364340 78500774 92773642 142728680 157001548 185547284 196251935 231934105 314003096 371094568 392503870 463868210 510255031 785007740 927736420 1020510062 1570015480 1855472840 2041020124 2551275155 4082040248 5102550310 10205100620 20410201240