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2320440420 = 2235194919843
BaseRepresentation
bin1000101001001111…
…0001110001100100
312222201022120211210
42022103301301210
514223013043140
61022131031420
7111334263264
oct21223616144
95881276753
102320440420
11a90912261
1254913b570
132ac980b8c
1418026d7a4
15d8aacd80
hex8a4f1c64

2320440420 has 48 divisors (see below), whose sum is σ = 6500894400. Its totient is φ = 618435456.

The previous prime is 2320440403. The next prime is 2320440443. The reversal of 2320440420 is 240440232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107019 + ... + 126861.

It is an arithmetic number, because the mean of its divisors is an integer number (135435300).

Almost surely, 22320440420 is an apocalyptic number.

2320440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320440420 is an abundant number, since it is smaller than the sum of its proper divisors (4180453980).

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

2320440420 is a wasteful number, since it uses less digits than its factorization.

2320440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21804 (or 21802 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2320440420 is about 48170.9499594932. The cubic root of 2320440420 is about 1323.9049540360.

Adding to 2320440420 its reverse (240440232), we get a palindrome (2560880652).

The spelling of 2320440420 in words is "two billion, three hundred twenty million, four hundred forty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1949 3898 5847 7796 9745 11694 19490 19843 23388 29235 38980 39686 58470 59529 79372 99215 116940 119058 198430 238116 297645 396860 595290 1190580 38674007 77348014 116022021 154696028 193370035 232044042 386740070 464088084 580110105 773480140 1160220210 2320440420