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20020202110111 = 72860028872873
BaseRepresentation
bin1001000110101010100010…
…00010001111110010011111
32121212220122022022000212011
410203111101002033302133
510111002333220010421
6110325053123252051
74134261162102040
oct443252102176237
977786568260764
1020020202110111
11641957a190405
1222b407121a027
13b22b87804248
144d2da93148c7
1524ab887264e1
hex12355108fc9f

20020202110111 has 4 divisors (see below), whose sum is σ = 22880230982992. Its totient is φ = 17160173237232.

The previous prime is 20020202110079. The next prime is 20020202110121. The reversal of 20020202110111 is 11101120202002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20020202110111 - 25 = 20020202110079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020202110091 and 20020202110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020202110121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430014436430 + ... + 1430014436443.

It is an arithmetic number, because the mean of its divisors is an integer number (5720057745748).

Almost surely, 220020202110111 is an apocalyptic number.

20020202110111 is a deficient number, since it is larger than the sum of its proper divisors (2860028872881).

20020202110111 is an equidigital number, since it uses as much as digits as its factorization.

20020202110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860028872880.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20020202110111 its reverse (11101120202002), we get a palindrome (31121322312113).

The spelling of 20020202110111 in words is "twenty trillion, twenty billion, two hundred two million, one hundred ten thousand, one hundred eleven".

Divisors: 1 7 2860028872873 20020202110111