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20010102120202 = 256231986789561
BaseRepresentation
bin1001000110010111101110…
…00001110101111100001010
32121211221120102101101100211
410203023313001311330022
510110321142120321302
6110320303005351334
74133452661436235
oct443136701657412
977757512341324
1020010102120202
116415266a91507
1222b211286854a
13b21c381a7a5c
144d26cbba441c
1524a796bb6ad7
hex1232f7075f0a

20010102120202 has 16 divisors (see below), whose sum is σ = 30022337391552. Its totient is φ = 10002656553120.

The previous prime is 20010102120199. The next prime is 20010102120233. The reversal of 20010102120202 is 20202120101002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223379502 + ... + 223469062.

It is an arithmetic number, because the mean of its divisors is an integer number (1876396086972).

Almost surely, 220010102120202 is an apocalyptic number.

20010102120202 is a deficient number, since it is larger than the sum of its proper divisors (10012235271350).

20010102120202 is a wasteful number, since it uses less digits than its factorization.

20010102120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115053.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20010102120202 its reverse (20202120101002), we get a palindrome (40212222221204).

The spelling of 20010102120202 in words is "twenty trillion, ten billion, one hundred two million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 5623 11246 19867 39734 89561 179122 111712141 223424282 503601503 1007203006 1779308387 3558616774 10005051060101 20010102120202