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20324103432 = 23317202924551
BaseRepresentation
bin10010111011011010…
…010011010100001000
31221110102101102120120
4102323122103110020
5313110432302212
613200424023240
71316436012603
oct227332232410
957412342516
1020324103432
11868a4767a6
123b32601b20
131bbb894809
14dab37133a
157de43b88c
hex4bb693508

20324103432 has 64 divisors (see below), whose sum is σ = 53827804800. Its totient is φ = 6372787200.

The previous prime is 20324103419. The next prime is 20324103439. The reversal of 20324103432 is 23430142302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20324103439) 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, 815557 + ... + 840107.

It is an arithmetic number, because the mean of its divisors is an integer number (841059450).

Almost surely, 220324103432 is an apocalyptic number.

It is an amenable number.

20324103432 is an abundant number, since it is smaller than the sum of its proper divisors (33503701368).

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

20324103432 is a wasteful number, since it uses less digits than its factorization.

20324103432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26606 (or 26602 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20324103432 its reverse (23430142302), we get a palindrome (43754245734).

The spelling of 20324103432 in words is "twenty billion, three hundred twenty-four million, one hundred three thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 2029 4058 6087 8116 12174 16232 24348 24551 34493 48696 49102 68986 73653 98204 103479 137972 147306 196408 206958 275944 294612 413916 417367 589224 827832 834734 1252101 1669468 2504202 3338936 5008404 10016808 49813979 99627958 149441937 199255916 298883874 398511832 597767748 846837643 1195535496 1693675286 2540512929 3387350572 5081025858 6774701144 10162051716 20324103432