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20013220330111 = 472875491480837
BaseRepresentation
bin1001000110011101100001…
…11000110111101001111111
32121212020121201211212012201
410203032300320313221333
510110344033401030421
6110321540235412331
74133623153666231
oct443166070675177
977766551755181
1020013220330111
116416617150798
1222b2842bb40a7
13b2231420a488
144d2905d7c251
1524a8ca80ab91
hex1233b0e37a7f

20013220330111 has 8 divisors (see below), whose sum is σ = 20439118411200. Its totient is φ = 19587325785888.

The previous prime is 20013220330097. The next prime is 20013220330133. The reversal of 20013220330111 is 11103302231002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20013220330111 - 25 = 20013220330079 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 (20013220330141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12774385 + ... + 14255221.

It is an arithmetic number, because the mean of its divisors is an integer number (2554889801400).

Almost surely, 220013220330111 is an apocalyptic number.

20013220330111 is a deficient number, since it is larger than the sum of its proper divisors (425898081089).

20013220330111 is a wasteful number, since it uses less digits than its factorization.

20013220330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768433.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20013220330111 its reverse (11103302231002), we get a palindrome (31116522561113).

The spelling of 20013220330111 in words is "twenty trillion, thirteen billion, two hundred twenty million, three hundred thirty thousand, one hundred eleven".

Divisors: 1 47 287549 1480837 13514803 69599339 425813198513 20013220330111