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20882080306400 = 2552227114989429
BaseRepresentation
bin1001011111101111111001…
…11110101001010011100000
32201221022022002011211112112
410233313330332221103200
510214113000024301100
6112225032324214452
74253452262640515
oct457677476512340
981838262154475
1020882080306400
116721049a358a5
12241310653a428
13b86230379241
145229ab75d30c
152632ce0bdb35
hex12fdfcfa94e0

20882080306400 has 72 divisors (see below), whose sum is σ = 51202953348120. Its totient is φ = 8316035432960.

The previous prime is 20882080306393. The next prime is 20882080306469. The reversal of 20882080306400 is 460308028802.

It is a super-2 number, since 2×208820803064002 (a number of 27 digits) contains 22 as substring.

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, 57313115 + ... + 57676314.

It is an arithmetic number, because the mean of its divisors is an integer number (711152129835).

Almost surely, 220882080306400 is an apocalyptic number.

20882080306400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20882080306400 is an abundant number, since it is smaller than the sum of its proper divisors (30320873041720).

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

20882080306400 is a wasteful number, since it uses less digits than its factorization.

20882080306400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114989676 (or 114989663 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 20882080306400 in words is "twenty trillion, eight hundred eighty-two billion, eighty million, three hundred six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 227 400 454 800 908 1135 1816 2270 3632 4540 5675 7264 9080 11350 18160 22700 36320 45400 90800 181600 114989429 229978858 459957716 574947145 919915432 1149894290 1839830864 2299788580 2874735725 3679661728 4599577160 5749471450 9199154320 11498942900 18398308640 22997885800 26102600383 45995771600 52205200766 91991543200 104410401532 130513001915 208820803064 261026003830 417641606128 522052007660 652565009575 835283212256 1044104015320 1305130019150 2088208030640 2610260038300 4176416061280 5220520076600 10441040153200 20882080306400