Search a number
-
+
20401322333 = 721921913343
BaseRepresentation
bin10011000000000000…
…110111100101011101
31221122210200112222212
4103000000313211131
5313240214303313
613212223050205
71321364243600
oct230000674535
957583615885
1020401322333
11871a018477
123b54440965
131c01890082
14db7712337
157e60e13a8
hex4c003795d

20401322333 has 12 divisors (see below), whose sum is σ = 24981212160. Its totient is φ = 16566486552.

The previous prime is 20401322309. The next prime is 20401322407. The reversal of 20401322333 is 33322310402.

It is not a de Polignac number, because 20401322333 - 28 = 20401322077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20401322299 and 20401322308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401322303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10955741 + ... + 10957602.

It is an arithmetic number, because the mean of its divisors is an integer number (2081767680).

Almost surely, 220401322333 is an apocalyptic number.

It is an amenable number.

20401322333 is a deficient number, since it is larger than the sum of its proper divisors (4579889827).

20401322333 is a wasteful number, since it uses less digits than its factorization.

20401322333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21913376 (or 21913369 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20401322333 its reverse (33322310402), we get a palindrome (53723632735).

The spelling of 20401322333 in words is "twenty billion, four hundred one million, three hundred twenty-two thousand, three hundred thirty-three".

Divisors: 1 7 19 49 133 931 21913343 153393401 416353517 1073753807 2914474619 20401322333