Search a number
-
+
20011232322 = 2321223909023
BaseRepresentation
bin10010101000110000…
…110010110001000010
31220122121122221002200
4102220300302301002
5311440333413242
613105410054030
71305616445124
oct225060626102
956577587080
1020011232322
118539901034
123a6587a316
131b6bb0b393
14d7b9ab214
157c1c3904c
hex4a8c32c42

20011232322 has 24 divisors (see below), whose sum is σ = 43393169664. Its totient is φ = 6664949304.

The previous prime is 20011232249. The next prime is 20011232357. The reversal of 20011232322 is 22323211002.

20011232322 is a `hidden beast` number, since 200 + 112 + 32 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20011232295 and 20011232304.

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 11 ways as a sum of consecutive naturals, for example, 432498 + ... + 476525.

It is an arithmetic number, because the mean of its divisors is an integer number (1808048736).

Almost surely, 220011232322 is an apocalyptic number.

20011232322 is an abundant number, since it is smaller than the sum of its proper divisors (23381937342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011232322 is a wasteful number, since it uses less digits than its factorization.

20011232322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910254 (or 910251 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20011232322 its reverse (22323211002), we get a palindrome (42334443324).

The spelling of 20011232322 in words is "twenty billion, eleven million, two hundred thirty-two thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 1223 2446 3669 7338 11007 22014 909023 1818046 2727069 5454138 8181207 16362414 1111735129 2223470258 3335205387 6670410774 10005616161 20011232322