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20344043232 = 253270639039
BaseRepresentation
bin10010111100100110…
…010111011011100000
31221111210220110211200
4102330212113123200
5313131033340412
613202415241200
71320100341252
oct227446273340
957453813750
1020344043232
11869a755877
123b39219200
131bc2a56706
14dadc81cd2
157e10799dc
hex4bc9976e0

20344043232 has 36 divisors (see below), whose sum is σ = 57853373760. Its totient is φ = 6781347648.

The previous prime is 20344043219. The next prime is 20344043273. The reversal of 20344043232 is 23234044302.

20344043232 is a `hidden beast` number, since 20 + 3 + 4 + 404 + 3 + 232 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 20344043196 and 20344043205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35319232 + ... + 35319807.

It is an arithmetic number, because the mean of its divisors is an integer number (1607038160).

Almost surely, 220344043232 is an apocalyptic number.

It is an amenable number.

20344043232 is an abundant number, since it is smaller than the sum of its proper divisors (37509330528).

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

20344043232 is a wasteful number, since it uses less digits than its factorization.

20344043232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70639055 (or 70639044 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20344043232 its reverse (23234044302), we get a palindrome (43578087534).

The spelling of 20344043232 in words is "twenty billion, three hundred forty-four million, forty-three thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 70639039 141278078 211917117 282556156 423834234 565112312 635751351 847668468 1130224624 1271502702 1695336936 2260449248 2543005404 3390673872 5086010808 6781347744 10172021616 20344043232