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20005352000 = 26532500669
BaseRepresentation
bin10010101000011010…
…010111001001000000
31220122012121011210222
4102220122113021000
5311432332231000
613105040042212
71305515454254
oct225032271100
956565534728
1020005352000
118536555067
123a63903368
131b6a82c9ba
14d7acba264
157c1476a85
hex4a8697240

20005352000 has 56 divisors (see below), whose sum is σ = 49543274040. Its totient is φ = 8002137600.

The previous prime is 20005351901. The next prime is 20005352053. The reversal of 20005352000 is 25350002.

It can be written as a sum of positive squares in 4 ways, for example, as 1589776384 + 18415575616 = 39872^2 + 135704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20005352000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242335 + ... + 1258334.

Almost surely, 220005352000 is an apocalyptic number.

20005352000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20005352000 is an abundant number, since it is smaller than the sum of its proper divisors (29537922040).

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

20005352000 is an equidigital number, since it uses as much as digits as its factorization.

20005352000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500696 (or 2500676 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The spelling of 20005352000 in words is "twenty billion, five million, three hundred fifty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 800 1000 1600 2000 4000 8000 2500669 5001338 10002676 12503345 20005352 25006690 40010704 50013380 62516725 80021408 100026760 125033450 160042816 200053520 250066900 312583625 400107040 500133800 625167250 800214080 1000267600 1250334500 2000535200 2500669000 4001070400 5001338000 10002676000 20005352000