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20323112201 = 717316782091
BaseRepresentation
bin10010111011010110…
…100001010100001001
31221110100112001212022
4102323112201110021
5313110204042301
613200350454225
71316424413660
oct227326412411
957410461768
1020323112201
118689959aa7
123b32204375
131bbb6085a2
14dab193dd7
157de2e2d1b
hex4bb5a1509

20323112201 has 8 divisors (see below), whose sum is σ = 23360672064. Its totient is φ = 17319116880.

The previous prime is 20323112189. The next prime is 20323112269. The reversal of 20323112201 is 10221132302.

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 20323112201 - 222 = 20318917897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20323112201.

It is not an unprimeable number, because it can be changed into a prime (20323111201) 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, 8389835 + ... + 8392256.

It is an arithmetic number, because the mean of its divisors is an integer number (2920084008).

Almost surely, 220323112201 is an apocalyptic number.

It is an amenable number.

20323112201 is a deficient number, since it is larger than the sum of its proper divisors (3037559863).

20323112201 is a wasteful number, since it uses less digits than its factorization.

20323112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16782271.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20323112201 its reverse (10221132302), we get a palindrome (30544244503).

The spelling of 20323112201 in words is "twenty billion, three hundred twenty-three million, one hundred twelve thousand, two hundred one".

Divisors: 1 7 173 1211 16782091 117474637 2903301743 20323112201