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20066850336 = 2531316079207
BaseRepresentation
bin10010101100000100…
…111101011000100000
31220210111022121200010
4102230010331120200
5312044103202321
613115114124520
71310163261561
oct225404753040
956714277603
1020066850336
118568239735
123a80420740
131b7a4b2950
14d85128168
157c6a73676
hex4ac13d620

20066850336 has 48 divisors (see below), whose sum is σ = 56727445824. Its totient is φ = 6174415104.

The previous prime is 20066850329. The next prime is 20066850347. The reversal of 20066850336 is 63305866002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 20066850294 and 20066850303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8038356 + ... + 8040851.

It is an arithmetic number, because the mean of its divisors is an integer number (1181821788).

Almost surely, 220066850336 is an apocalyptic number.

20066850336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20066850336 is an abundant number, since it is smaller than the sum of its proper divisors (36660595488).

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

20066850336 is a wasteful number, since it uses less digits than its factorization.

20066850336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16079233 (or 16079225 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 20066850336 in words is "twenty billion, sixty-six million, eight hundred fifty thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 16079207 32158414 48237621 64316828 96475242 128633656 192950484 209029691 257267312 385900968 418059382 514534624 627089073 771801936 836118764 1254178146 1543603872 1672237528 2508356292 3344475056 5016712584 6688950112 10033425168 20066850336