Search a number
-
+
20033130331 = 239401209029
BaseRepresentation
bin10010101010000100…
…010100111101011011
31220201010212110112001
4102222010110331123
5312011440132311
613111511301431
71306303540534
oct225204247533
956633773461
1020033130331
1185501a8365
123a7107a877
131b73507696
14d8086b68b
157c3b124c1
hex4aa114f5b

20033130331 has 8 divisors (see below), whose sum is σ = 20167214400. Its totient is φ = 19899465600.

The previous prime is 20033130317. The next prime is 20033130343. The reversal of 20033130331 is 13303133002.

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 20033130331 - 29 = 20033129819 is a prime.

It is a super-2 number, since 2×200331303312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20033130299 and 20033130308.

It is not an unprimeable number, because it can be changed into a prime (20033130731) 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, 8676 + ... + 200353.

It is an arithmetic number, because the mean of its divisors is an integer number (2520901800).

Almost surely, 220033130331 is an apocalyptic number.

20033130331 is a deficient number, since it is larger than the sum of its proper divisors (134084069).

20033130331 is a wasteful number, since it uses less digits than its factorization.

20033130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209669.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 20033130331 its reverse (13303133002), we get a palindrome (33336263333).

The spelling of 20033130331 in words is "twenty billion, thirty-three million, one hundred thirty thousand, three hundred thirty-one".

Divisors: 1 239 401 95839 209029 49957931 83820629 20033130331