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20132324442 = 2332359274739
BaseRepresentation
bin10010101111111110…
…101110010001011010
31220222001112001021000
4102233332232101122
5312212333340232
613125413325430
71311616635306
oct225776562132
956861461230
1020132324442
1185a119936a
123a9a336876
131b8ac28419
14d8daccd06
157cc6a827c
hex4affae45a

20132324442 has 64 divisors (see below), whose sum is σ = 47475072000. Its totient is φ = 6310182384.

The previous prime is 20132324417. The next prime is 20132324473. The reversal of 20132324442 is 24442323102.

It is a super-2 number, since 2×201323244422 (a number of 21 digits) contains 22 as substring.

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

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, 64092 + ... + 210647.

It is an arithmetic number, because the mean of its divisors is an integer number (741798000).

Almost surely, 220132324442 is an apocalyptic number.

20132324442 is an abundant number, since it is smaller than the sum of its proper divisors (27342747558).

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

20132324442 is a wasteful number, since it uses less digits than its factorization.

20132324442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274832 (or 274826 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20132324442 its reverse (24442323102), we get a palindrome (44574647544).

The spelling of 20132324442 in words is "twenty billion, one hundred thirty-two million, three hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 23 27 46 54 59 69 118 138 177 207 354 414 531 621 1062 1242 1357 1593 2714 3186 4071 8142 12213 24426 36639 73278 274739 549478 824217 1648434 2472651 4945302 6318997 7417953 12637994 14835906 16209601 18956991 32419202 37913982 48628803 56870973 97257606 113741946 145886409 170612919 291772818 341225838 372820823 437659227 745641646 875318454 1118462469 2236924938 3355387407 6710774814 10066162221 20132324442