Search a number
-
+
20202440101 = 59893847351
BaseRepresentation
bin10010110100001010…
…001100010110100101
31221010221110021212021
4102310022030112211
5312333311040401
613140400223141
71313430623164
oct226412142645
957127407767
1020202440101
118627829298
123ab990aab1
131b9c60778c
14d991413db
157d39082a1
hex4b428c5a5

20202440101 has 8 divisors (see below), whose sum is σ = 20775700800. Its totient is φ = 19636874400.

The previous prime is 20202440017. The next prime is 20202440117. The reversal of 20202440101 is 10104420202.

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 20202440101 - 221 = 20200342949 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 (20202440131) 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, 1918425 + ... + 1928926.

It is an arithmetic number, because the mean of its divisors is an integer number (2596962600).

Almost surely, 220202440101 is an apocalyptic number.

It is an amenable number.

20202440101 is a deficient number, since it is larger than the sum of its proper divisors (573260699).

20202440101 is an equidigital number, since it uses as much as digits as its factorization.

20202440101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847499.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20202440101 its reverse (10104420202), we get a palindrome (30306860303).

The spelling of 20202440101 in words is "twenty billion, two hundred two million, four hundred forty thousand, one hundred one".

Divisors: 1 59 89 5251 3847351 226993709 342414239 20202440101