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20204343444 = 2237331877237
BaseRepresentation
bin10010110100010001…
…011101000010010100
31221011002000222202110
4102310101131002110
5312334302442234
613140505111020
71313453041245
oct226421350224
957132028673
1020204343444
1186289092aa
123aba488470
131b9cb22c0c
14d994b8ccc
157d3b821e9
hex4b445d094

20204343444 has 48 divisors (see below), whose sum is σ = 47810869568. Its totient is φ = 6639522048.

The previous prime is 20204343427. The next prime is 20204343499. The reversal of 20204343444 is 44434340202.

It is a super-2 number, since 2×202043434442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 2788194 + ... + 2795430.

Almost surely, 220204343444 is an apocalyptic number.

It is an amenable number.

20204343444 is an abundant number, since it is smaller than the sum of its proper divisors (27606526124).

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

20204343444 is a wasteful number, since it uses less digits than its factorization.

20204343444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10504 (or 10502 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 20204343444 its reverse (44434340202), we get a palindrome (64638683646).

The spelling of 20204343444 in words is "twenty billion, two hundred four million, three hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 3187 6374 7237 9561 12748 14474 19122 21711 28948 38244 43422 86844 232651 465302 528301 697953 930604 1056602 1395906 1584903 2113204 2791812 3169806 6339612 23064319 46128638 69192957 92257276 138385914 276771828 1683695287 3367390574 5051085861 6734781148 10102171722 20204343444