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20430441204 = 22341145328579
BaseRepresentation
bin10011000001101111…
…111100101011110100
31221201211110221120120
4103001233330223310
5313320143104304
613215143131540
71322166612345
oct230157745364
957654427516
1020430441204
1187344a6958
123b62143bb0
131c07916c84
14dbb5320cc
157e89440d9
hex4c1bfcaf4

20430441204 has 48 divisors (see below), whose sum is σ = 48869056320. Its totient is φ = 6639240960.

The previous prime is 20430441193. The next prime is 20430441209. The reversal of 20430441204 is 40214403402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430441209) 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, 700587 + ... + 729165.

It is an arithmetic number, because the mean of its divisors is an integer number (1018105340).

Almost surely, 220430441204 is an apocalyptic number.

It is an amenable number.

20430441204 is an abundant number, since it is smaller than the sum of its proper divisors (28438615116).

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

20430441204 is a wasteful number, since it uses less digits than its factorization.

20430441204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30080 (or 30078 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20430441204 its reverse (40214403402), we get a palindrome (60644844606).

The spelling of 20430441204 in words is "twenty billion, four hundred thirty million, four hundred forty-one thousand, two hundred four".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 1453 2906 4359 5812 8718 17436 28579 57158 59573 85737 114316 119146 171474 178719 238292 342948 357438 714876 1171739 2343478 3515217 4686956 7030434 14060868 41525287 83050574 124575861 166101148 249151722 498303444 1702536767 3405073534 5107610301 6810147068 10215220602 20430441204