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20132420202 = 2324728384089
BaseRepresentation
bin10010101111111111…
…000101101001101010
31220222001200220121200
4102233333011221222
5312212344421302
613125415345030
71311620514426
oct225777055152
956861626550
1020132420202
1185a1254304
123a9a382176
131b8ac5cb9b
14d8db15b86
157cc6c681c
hex4affc5a6a

20132420202 has 48 divisors (see below), whose sum is σ = 44706280320. Its totient is φ = 6544737216.

The previous prime is 20132420177. The next prime is 20132420213. The reversal of 20132420202 is 20202423102.

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 23 ways as a sum of consecutive naturals, for example, 197374 + ... + 281462.

It is an arithmetic number, because the mean of its divisors is an integer number (931380840).

Almost surely, 220132420202 is an apocalyptic number.

20132420202 is an abundant number, since it is smaller than the sum of its proper divisors (24573860118).

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

20132420202 is a wasteful number, since it uses less digits than its factorization.

20132420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84427 (or 84424 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20132420202 its reverse (20202423102), we get a palindrome (40334843304).

The spelling of 20132420202 in words is "twenty billion, one hundred thirty-two million, four hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 9 18 47 94 141 282 283 423 566 846 849 1698 2547 5094 13301 26602 39903 79806 84089 119709 168178 239418 252267 504534 756801 1513602 3952183 7904366 11856549 23713098 23797187 35569647 47594374 71139294 71391561 142783122 214174683 428349366 1118467789 2236935578 3355403367 6710806734 10066210101 20132420202