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20014404352 = 2843242283
BaseRepresentation
bin10010101000111100…
…111001001100000000
31220122211122002022021
4102220330321030000
5311442141414402
613110002051224
71305655426045
oct225074711400
956584562267
1020014404352
118540678248
123a66949b14
131b6c67c117
14d7c1951cc
157c2163d37
hex4a8f39300

20014404352 has 54 divisors (see below), whose sum is σ = 40902285732. Its totient is φ = 9774245376.

The previous prime is 20014404331. The next prime is 20014404353. The reversal of 20014404352 is 25340441002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20014404353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 452203 + ... + 494485.

Almost surely, 220014404352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20014404352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20451142866).

20014404352 is an abundant number, since it is smaller than the sum of its proper divisors (20887881380).

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

20014404352 is an frugal number, since it uses more digits than its factorization.

20014404352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42385 (or 42328 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20014404352 its reverse (25340441002), we get a palindrome (45354845354).

The spelling of 20014404352 in words is "twenty billion, fourteen million, four hundred four thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 43 64 86 128 172 256 344 688 1376 1849 2752 3698 5504 7396 11008 14792 29584 42283 59168 84566 118336 169132 236672 338264 473344 676528 1353056 1818169 2706112 3636338 5412224 7272676 10824448 14545352 29090704 58181408 78181267 116362816 156362534 232725632 312725068 465451264 625450136 1250900272 2501800544 5003601088 10007202176 20014404352