Search a number
-
+
20033131202 = 271992771809
BaseRepresentation
bin10010101010000100…
…010101001011000010
31220201010212111201022
4102222010111023002
5312011440144302
613111511305442
71306303543220
oct225204251302
956633774638
1020033131202
1185501a8a87
123a7107b282
131b73507bb6
14d8086bb10
157c3b128a2
hex4aa1152c2

20033131202 has 16 divisors (see below), whose sum is σ = 34344712320. Its totient is φ = 8585077248.

The previous prime is 20033131159. The next prime is 20033131219. The reversal of 20033131202 is 20213133002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243074 + ... + 314882.

It is an arithmetic number, because the mean of its divisors is an integer number (2146544520).

Almost surely, 220033131202 is an apocalyptic number.

20033131202 is a deficient number, since it is larger than the sum of its proper divisors (14311581118).

20033131202 is a wasteful number, since it uses less digits than its factorization.

20033131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91745.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20033131202 its reverse (20213133002), we get a palindrome (40246264204).

The spelling of 20033131202 in words is "twenty billion, thirty-three million, one hundred thirty-one thousand, two hundred two".

Divisors: 1 2 7 14 19927 39854 71809 139489 143618 278978 502663 1005326 1430937943 2861875886 10016565601 20033131202