Search a number
-
+
20302322232 = 233845930093
BaseRepresentation
bin10010111010000111…
…001101101000111000
31221101220101211101110
4102322013031220320
5313034343302412
613154325120320
71316052614553
oct227207155070
957356354343
1020302322232
11867914a205
123b272590a0
131bb720972a
14da850169a
157dc587d3c
hex4ba1cda38

20302322232 has 16 divisors (see below), whose sum is σ = 50755805640. Its totient is φ = 6767440736.

The previous prime is 20302322213. The next prime is 20302322279. The reversal of 20302322232 is 23222320302.

It is a super-2 number, since 2×203023222322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20302322199 and 20302322208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422965023 + ... + 422965070.

Almost surely, 220302322232 is an apocalyptic number.

It is an amenable number.

20302322232 is an abundant number, since it is smaller than the sum of its proper divisors (30453483408).

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

20302322232 is a wasteful number, since it uses less digits than its factorization.

20302322232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845930102 (or 845930098 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20302322232 its reverse (23222320302), we get a palindrome (43524642534).

The spelling of 20302322232 in words is "twenty billion, three hundred two million, three hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 845930093 1691860186 2537790279 3383720372 5075580558 6767440744 10151161116 20302322232