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20010200120101 = 591632366387931
BaseRepresentation
bin1001000110010111111001…
…10111101011101100100101
32121211221211020210021221201
410203023330313223230211
510110321342212320401
6110320320430042501
74133455261431232
oct443137467535445
977757736707851
1020010200120101
116415307337264
1222b213b649431
13b21c5259b069
144d26dabd4789
1524a7a05c3b01
hex1232fcdebb25

20010200120101 has 16 divisors (see below), whose sum is σ = 20475296824320. Its totient is φ = 19549314405360.

The previous prime is 20010200120093. The next prime is 20010200120191. The reversal of 20010200120101 is 10102100201002.

It is a cyclic number.

It is not a de Polignac number, because 20010200120101 - 23 = 20010200120093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010200120191) 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, 227523106 + ... + 227611036.

It is an arithmetic number, because the mean of its divisors is an integer number (1279706051520).

Almost surely, 220010200120101 is an apocalyptic number.

It is an amenable number.

20010200120101 is a deficient number, since it is larger than the sum of its proper divisors (465096704219).

20010200120101 is a wasteful number, since it uses less digits than its factorization.

20010200120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111816.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20010200120101 its reverse (10102100201002), we get a palindrome (30112300321103).

The spelling of 20010200120101 in words is "twenty trillion, ten billion, two hundred million, one hundred twenty thousand, one hundred one".

Divisors: 1 59 163 9617 23663 87931 1396117 3857069 5187929 14332753 227567071 845632427 2080711253 122761963927 339155934239 20010200120101