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20808740000088 = 2332479960223021
BaseRepresentation
bin1001011101100111010011…
…00011100101000101011000
32201200021222212110020211100
410232303221203211011120
510211412244420000323
6112131223031031400
74245244655423505
oct456635143450530
981607885406740
1020808740000088
1166a2a3427a1a7
122400a58b0b560
13b7c342ba94a1
1451d2112784ac
1526143a5e7943
hex12ece98e5158

20808740000088 has 48 divisors (see below), whose sum is σ = 56368748592000. Its totient is φ = 6934801199040.

The previous prime is 20808740000057. The next prime is 20808740000117. The reversal of 20808740000088 is 88000004780802.

It is a junction number, because it is equal to n+sod(n) for n = 20808739999998 and 20808740000052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29765983 + ... + 30457038.

It is an arithmetic number, because the mean of its divisors is an integer number (1174348929000).

Almost surely, 220808740000088 is an apocalyptic number.

It is an amenable number.

20808740000088 is an abundant number, since it is smaller than the sum of its proper divisors (35560008591912).

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

20808740000088 is a wasteful number, since it uses less digits than its factorization.

20808740000088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60227832 (or 60227825 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The spelling of 20808740000088 in words is "twenty trillion, eight hundred eight billion, seven hundred forty million, eighty-eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 4799 9598 14397 19196 28794 38392 43191 57588 86382 115176 172764 345528 60223021 120446042 180669063 240892084 361338126 481784168 542007189 722676252 1084014378 1445352504 2168028756 4336057512 289010277779 578020555558 867030833337 1156041111116 1734061666674 2312082222232 2601092500011 3468123333348 5202185000022 6936246666696 10404370000044 20808740000088