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20202313320320 = 275181174398423
BaseRepresentation
bin1001001011111101101111…
…01101011000011110000000
32122112022200221200001001112
410211332313231120132000
510121443314202222240
6110544451542422452
74153366104615665
oct445766755303600
978468627601045
1020202313320320
11648983121800a
122323415a31a28
13b370ba95ccb1
144dbb23677a6c
1525079645d665
hex125fb7b58780

20202313320320 has 64 divisors (see below), whose sum is σ = 48562985147040. Its totient is φ = 8036279285760.

The previous prime is 20202313320253. The next prime is 20202313320347. The reversal of 20202313320320 is 2302331320202.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 87083372 + ... + 87315051.

Almost surely, 220202313320320 is an apocalyptic number.

20202313320320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202313320320 is an abundant number, since it is smaller than the sum of its proper divisors (28360671826720).

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

20202313320320 is a wasteful number, since it uses less digits than its factorization.

20202313320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174398623 (or 174398611 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20202313320320 its reverse (2302331320202), we get a palindrome (22504644640522).

The spelling of 20202313320320 in words is "twenty trillion, two hundred two billion, three hundred thirteen million, three hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 181 320 362 640 724 905 1448 1810 2896 3620 5792 7240 11584 14480 23168 28960 57920 115840 174398423 348796846 697593692 871992115 1395187384 1743984230 2790374768 3487968460 5580749536 6975936920 11161499072 13951873840 22322998144 27903747680 31566114563 55807495360 63132229126 111614990720 126264458252 157830572815 252528916504 315661145630 505057833008 631322291260 1010115666016 1262644582520 2020231332032 2525289165040 4040462664064 5050578330080 10101156660160 20202313320320