Search a number
-
+
20244444200 = 2352317319313
BaseRepresentation
bin10010110110101010…
…011011010000101000
31221020212111022122122
4102312222123100220
5312430034203300
613144500410412
71314450636131
oct226652332050
957225438578
1020244444200
118649508622
123b0b9a6a08
131ba8223586
14da0956c88
157d7453c85
hex4b6a9b428

20244444200 has 48 divisors (see below), whose sum is σ = 47216961180. Its totient is φ = 8072207360.

The previous prime is 20244444193. The next prime is 20244444211. The reversal of 20244444200 is 244444202.

It can be written as a sum of positive squares in 6 ways, for example, as 276676 + 20244167524 = 526^2 + 142282^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20244444200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96257 + ... + 223056.

Almost surely, 220244444200 is an apocalyptic number.

20244444200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20244444200 is an abundant number, since it is smaller than the sum of its proper divisors (26972516980).

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

20244444200 is a wasteful number, since it uses less digits than its factorization.

20244444200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319646 (or 319637 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20244444200 its reverse (244444202), we get a palindrome (20488888402).

The spelling of 20244444200 in words is "twenty billion, two hundred forty-four million, four hundred forty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 317 634 1268 1585 2536 3170 6340 7925 12680 15850 31700 63400 319313 638626 1277252 1596565 2554504 3193130 6386260 7982825 12772520 15965650 31931300 63862600 101222221 202444442 404888884 506111105 809777768 1012222210 2024444420 2530555525 4048888840 5061111050 10122222100 20244444200