Search a number
-
+
23202222020 = 2251961058479
BaseRepresentation
bin10101100110111101…
…011100111111000100
32012220000002000001022
4111212331130333010
5340004232101040
614354200050312
71450654430105
oct254675347704
965800060038
1023202222020
11992705a8aa
1245b6463998
132259c43973
1411a16cc3ac
1590be576b5
hex566f5cfc4

23202222020 has 24 divisors (see below), whose sum is σ = 51289123200. Its totient is φ = 8792420832.

The previous prime is 23202222011. The next prime is 23202222023. The reversal of 23202222020 is 2022220232.

It is a self number, because there is not a number n which added to its sum of digits gives 23202222020.

It is not an unprimeable number, because it can be changed into a prime (23202222023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30528860 + ... + 30529619.

It is an arithmetic number, because the mean of its divisors is an integer number (2137046800).

Almost surely, 223202222020 is an apocalyptic number.

23202222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23202222020 is an abundant number, since it is smaller than the sum of its proper divisors (28086901180).

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

23202222020 is a wasteful number, since it uses less digits than its factorization.

23202222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61058507 (or 61058505 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 23202222020 its reverse (2022220232), we get a palindrome (25224442252).

The spelling of 23202222020 in words is "twenty-three billion, two hundred two million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 61058479 122116958 244233916 305292395 610584790 1160111101 1221169580 2320222202 4640444404 5800555505 11601111010 23202222020