Search a number
-
+
20322443245 = 5132971151847
BaseRepresentation
bin10010111011010011…
…111101111111101101
31221110022021002020011
4102323103331333231
5313110021140440
613200324253221
71316415626446
oct227323757755
957408232204
1020322443245
118689542445
123b31b41211
131bbb432c60
14dab05c2cd
157de20e9ea
hex4bb4fdfed

20322443245 has 32 divisors (see below), whose sum is σ = 27551301120. Its totient is φ = 14285671680.

The previous prime is 20322443233. The next prime is 20322443257. The reversal of 20322443245 is 54234422302.

It is an interprime number because it is at equal distance from previous prime (20322443233) and next prime (20322443257).

It is not a de Polignac number, because 20322443245 - 221 = 20320346093 is a prime.

It is a super-2 number, since 2×203224432452 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57912 + ... + 209758.

It is an arithmetic number, because the mean of its divisors is an integer number (860978160).

Almost surely, 220322443245 is an apocalyptic number.

It is an amenable number.

20322443245 is a deficient number, since it is larger than the sum of its proper divisors (7228857875).

20322443245 is a wasteful number, since it uses less digits than its factorization.

20322443245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151965.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 20322443245 its reverse (54234422302), we get a palindrome (74556865547).

The spelling of 20322443245 in words is "twenty billion, three hundred twenty-two million, four hundred forty-three thousand, two hundred forty-five".

Divisors: 1 5 13 29 65 71 145 355 377 923 1885 2059 4615 10295 26767 133835 151847 759235 1974011 4403563 9870055 10781137 22017815 53905685 57246319 140154781 286231595 312652973 700773905 1563264865 4064488649 20322443245