Search a number
-
+
20333312323 = 22171917113
BaseRepresentation
bin10010111011111101…
…011011100101000011
31221111001201021210121
4102323331123211003
5313120311443243
613201353241111
71316610205642
oct227375334503
957431637717
1020333312323
118694696555
123b35703197
131bc076a26c
14dac68b359
157e015a1ed
hex4bbf5b943

20333312323 has 4 divisors (see below), whose sum is σ = 20334251608. Its totient is φ = 20332373040.

The previous prime is 20333312317. The next prime is 20333312339. The reversal of 20333312323 is 32321333302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20333312323 - 233 = 11743377731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333312303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436386 + ... + 480727.

It is an arithmetic number, because the mean of its divisors is an integer number (5083562902).

Almost surely, 220333312323 is an apocalyptic number.

20333312323 is a deficient number, since it is larger than the sum of its proper divisors (939285).

20333312323 is an equidigital number, since it uses as much as digits as its factorization.

20333312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939284.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 20333312323 its reverse (32321333302), we get a palindrome (52654645625).

The spelling of 20333312323 in words is "twenty billion, three hundred thirty-three million, three hundred twelve thousand, three hundred twenty-three".

Divisors: 1 22171 917113 20333312323