Search a number
-
+
20311330222 = 223441550657
BaseRepresentation
bin10010111010101001…
…100100110110101110
31221102112100111000201
4102322221210312232
5313044200031342
613155250144114
71316222313121
oct227251446656
957375314021
1020311330222
118683242027
123b2a28203a
131bb90418c1
14da97a83b8
157dd266db7
hex4baa64dae

20311330222 has 8 divisors (see below), whose sum is σ = 31791647376. Its totient is φ = 9714114432.

The previous prime is 20311330219. The next prime is 20311330223. The reversal of 20311330222 is 22203311302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20311330222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311330223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220775283 + ... + 220775374.

It is an arithmetic number, because the mean of its divisors is an integer number (3973955922).

Almost surely, 220311330222 is an apocalyptic number.

20311330222 is a deficient number, since it is larger than the sum of its proper divisors (11480317154).

20311330222 is a wasteful number, since it uses less digits than its factorization.

20311330222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441550682.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20311330222 its reverse (22203311302), we get a palindrome (42514641524).

The spelling of 20311330222 in words is "twenty billion, three hundred eleven million, three hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 23 46 441550657 883101314 10155665111 20311330222