Search a number
-
+
22023320620 = 2257157309433
BaseRepresentation
bin10100100000101100…
…010011010000101100
32002211211202121100111
4110200230103100230
5330100432224440
614041204105404
71406521064560
oct244054232054
962754677314
1022023320620
119381654824
124327695264
1320cc928982
1410cccd16a0
1588d6d84ea
hex520b1342c

22023320620 has 24 divisors (see below), whose sum is σ = 52855969824. Its totient is φ = 7550852736.

The previous prime is 22023320609. The next prime is 22023320651. The reversal of 22023320620 is 2602332022.

It is a super-2 number, since 2×220233206202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22023320591 and 22023320600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78654577 + ... + 78654856.

It is an arithmetic number, because the mean of its divisors is an integer number (2202332076).

Almost surely, 222023320620 is an apocalyptic number.

22023320620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22023320620 is an abundant number, since it is smaller than the sum of its proper divisors (30832649204).

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

22023320620 is a wasteful number, since it uses less digits than its factorization.

22023320620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157309449 (or 157309447 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22023320620 its reverse (2602332022), we get a palindrome (24625652642).

The spelling of 22023320620 in words is "twenty-two billion, twenty-three million, three hundred twenty thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 157309433 314618866 629237732 786547165 1101166031 1573094330 2202332062 3146188660 4404664124 5505830155 11011660310 22023320620