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20200120112102 = 277981122520497
BaseRepresentation
bin1001001011111001101001…
…11110111101001111100110
32122112010001002202111222112
410211330310332331033212
510121424321222041402
6110543450154401022
74153260543634640
oct445746476751746
978463032674875
1020200120112102
116488906207237
122322b03430172
13b36b2b468b58
144db996287890
152506b8b33e52
hex125f34fbd3e6

20200120112102 has 32 divisors (see below), whose sum is σ = 35110357201920. Its totient is φ = 8537069623680.

The previous prime is 20200120112059. The next prime is 20200120112119. The reversal of 20200120112102 is 20121102100202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 10363283 + ... + 12157214.

It is an arithmetic number, because the mean of its divisors is an integer number (1097198662560).

Almost surely, 220200120112102 is an apocalyptic number.

20200120112102 is a deficient number, since it is larger than the sum of its proper divisors (14910237089818).

20200120112102 is a wasteful number, since it uses less digits than its factorization.

20200120112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22521396.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20200120112102 its reverse (20121102100202), we get a palindrome (40321222212304).

The spelling of 20200120112102 in words is "twenty trillion, two hundred billion, one hundred twenty million, one hundred twelve thousand, one hundred two".

Divisors: 1 2 7 14 79 158 553 811 1106 1622 5677 11354 64069 128138 448483 896966 22520497 45040994 157643479 315286958 1779119263 3558238526 12453834841 18264123067 24907669682 36528246134 127848861469 255697722938 1442865722293 2885731444586 10100060056051 20200120112102