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20201201201 = 1710311536951
BaseRepresentation
bin10010110100000101…
…011101111000110001
31221010212010100102002
4102310011131320301
5312333001414301
613140313503345
71313414243216
oct226405357061
957125110362
1020201201201
118627062505
123ab9411b55
131b9c2928bc
14d98cdbb0d
157d376116b
hex4b415de31

20201201201 has 8 divisors (see below), whose sum is σ = 21597174144. Its totient is φ = 18828302400.

The previous prime is 20201201197. The next prime is 20201201203. The reversal of 20201201201 is 10210210202.

It is a happy number.

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

It is not a de Polignac number, because 20201201201 - 22 = 20201201197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201201203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5766725 + ... + 5770226.

It is an arithmetic number, because the mean of its divisors is an integer number (2699646768).

Almost surely, 220201201201 is an apocalyptic number.

It is an amenable number.

20201201201 is a deficient number, since it is larger than the sum of its proper divisors (1395972943).

20201201201 is a wasteful number, since it uses less digits than its factorization.

20201201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11537071.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201201201 its reverse (10210210202), we get a palindrome (30411411403).

Subtracting from 20201201201 its reverse (10210210202), we obtain a palindrome (9990990999).

The spelling of 20201201201 in words is "twenty billion, two hundred one million, two hundred one thousand, two hundred one".

Divisors: 1 17 103 1751 11536951 196128167 1188305953 20201201201