Search a number
-
+
20004303320 = 2351933736947
BaseRepresentation
bin10010101000010110…
…010111000111011000
31220122010121220021222
4102220112113013120
5311432100201240
613105001351212
71305503526011
oct225026270730
956563556258
1020004303320
1185359a9191
123a63498508
131b6a553591
14d7aac6008
157c131aeb5
hex4a85971d8

20004303320 has 64 divisors (see below), whose sum is σ = 45370717920. Its totient is φ = 7937777664.

The previous prime is 20004303313. The next prime is 20004303323. The reversal of 20004303320 is 2330340002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004303323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2876087 + ... + 2883033.

Almost surely, 220004303320 is an apocalyptic number.

20004303320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004303320 is an abundant number, since it is smaller than the sum of its proper divisors (25366414600).

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

20004303320 is a wasteful number, since it uses less digits than its factorization.

20004303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524 (or 7520 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 20004303320 its reverse (2330340002), we get a palindrome (22334643322).

The spelling of 20004303320 in words is "twenty billion, four million, three hundred three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 193 373 386 746 772 965 1492 1544 1865 1930 2984 3730 3860 6947 7460 7720 13894 14920 27788 34735 55576 69470 71989 138940 143978 277880 287956 359945 575912 719890 1340771 1439780 2591231 2681542 2879560 5182462 5363084 6703855 10364924 10726168 12956155 13407710 20729848 25912310 26815420 51824620 53630840 103649240 500107583 1000215166 2000430332 2500537915 4000860664 5001075830 10002151660 20004303320