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20201200200023 = 177942593531779
BaseRepresentation
bin1001001011111011101010…
…10111001010100101010111
32122112012211101010200001212
410211331311113022211113
510121434024222400043
6110544145300412035
74153326400346213
oct445756527124527
978465741120055
1020201200200023
11648930a961287
1223231650a701b
13b36c7116742b
144dba598c1943
1525072d885018
hex125f755ca957

20201200200023 has 16 divisors (see below), whose sum is σ = 21665351232000. Its totient is φ = 18767811783552.

The previous prime is 20201200200017. The next prime is 20201200200037. The reversal of 20201200200023 is 32000200210202.

It is a cyclic number.

It is not a de Polignac number, because 20201200200023 - 212 = 20201200195927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201200199980 and 20201200200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201200200823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3953948 + ... + 7485726.

It is an arithmetic number, because the mean of its divisors is an integer number (1354084452000).

Almost surely, 220201200200023 is an apocalyptic number.

20201200200023 is a deficient number, since it is larger than the sum of its proper divisors (1464151031977).

20201200200023 is a wasteful number, since it uses less digits than its factorization.

20201200200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536134.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20201200200023 its reverse (32000200210202), we get a palindrome (52201400410225).

The spelling of 20201200200023 in words is "twenty trillion, two hundred one billion, two hundred million, two hundred thousand, twenty-three".

Divisors: 1 17 79 1343 4259 72403 336461 3531779 5719837 60040243 279010541 4743179197 15041846761 255711394937 1188305894119 20201200200023