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20202688066020 = 2235839401324753
BaseRepresentation
bin1001001011111110011100…
…00010111011000111100100
32122112100200001211002111220
410211333032002323013210
510122000101121103040
6110544553050500340
74153411305116025
oct445771602730744
978470601732456
1020202688066020
116489a03803aa9
1223234bb4346b0
13b3714a49b705
144dbb5b346c4c
152507b92d42d0
hex125fce0bb1e4

20202688066020 has 48 divisors (see below), whose sum is σ = 56634949284480. Its totient is φ = 5380962274816.

The previous prime is 20202688065983. The next prime is 20202688066109. The reversal of 20202688066020 is 2066088620202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200612037 + ... + 200712716.

It is an arithmetic number, because the mean of its divisors is an integer number (1179894776760).

Almost surely, 220202688066020 is an apocalyptic number.

20202688066020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202688066020 is an abundant number, since it is smaller than the sum of its proper divisors (36432261218460).

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

20202688066020 is a wasteful number, since it uses less digits than its factorization.

20202688066020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401325604 (or 401325602 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 20202688066020 in words is "twenty trillion, two hundred two billion, six hundred eighty-eight million, sixty-six thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 839 1678 2517 3356 4195 5034 8390 10068 12585 16780 25170 50340 401324753 802649506 1203974259 1605299012 2006623765 2407948518 4013247530 4815897036 6019871295 8026495060 12039742590 24079485180 336711467767 673422935534 1010134403301 1346845871068 1683557338835 2020268806602 3367114677670 4040537613204 5050672016505 6734229355340 10101344033010 20202688066020