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20020201102201 = 148331134969771
BaseRepresentation
bin1001000110101010100001…
…11110011001101101111001
32121212220122020101211021011
410203111100332121231321
510111002332440232301
6110325053045513521
74134261150403366
oct443252076315571
977786566354234
1020020201102201
116419579662123
1222b4070a128a1
13b22b87540551
144d2da913146d
1524ab885c7a51
hex123550f99b79

20020201102201 has 4 divisors (see below), whose sum is σ = 20020336220304. Its totient is φ = 20020065984100.

The previous prime is 20020201102183. The next prime is 20020201102217. The reversal of 20020201102201 is 10220110202002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20020201102201 - 27 = 20020201102073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020201100201) 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, 67336555 + ... + 67633216.

It is an arithmetic number, because the mean of its divisors is an integer number (5005084055076).

Almost surely, 220020201102201 is an apocalyptic number.

It is an amenable number.

20020201102201 is a deficient number, since it is larger than the sum of its proper divisors (135118103).

20020201102201 is a wasteful number, since it uses less digits than its factorization.

20020201102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135118102.

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

Adding to 20020201102201 its reverse (10220110202002), we get a palindrome (30240311304203).

The spelling of 20020201102201 in words is "twenty trillion, twenty billion, two hundred one million, one hundred two thousand, two hundred one".

Divisors: 1 148331 134969771 20020201102201