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1024320020 = 225192992951
BaseRepresentation
bin111101000011011…
…110001000010100
32122101102211220112
4331003132020110
54044211220040
6245350422152
734245401513
oct7503361024
92571384815
101024320020
11486224879
12247061958
131342a3a29
149a07c67a
155edd7365
hex3d0de214

1024320020 has 48 divisors (see below), whose sum is σ = 2342390400. Its totient is φ = 374774400.

The previous prime is 1024319987. The next prime is 1024320041. The reversal of 1024320020 is 200234201.

It is a junction number, because it is equal to n+sod(n) for n = 1024319977 and 1024320004.

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, 35456 + ... + 57495.

It is an arithmetic number, because the mean of its divisors is an integer number (48799800).

Almost surely, 21024320020 is an apocalyptic number.

1024320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024320020 is an abundant number, since it is smaller than the sum of its proper divisors (1318070380).

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

1024320020 is a wasteful number, since it uses less digits than its factorization.

1024320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93008 (or 93006 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1024320020 is about 32004.9999218872. Note that the first 4 decimals coincide. The cubic root of 1024320020 is about 1008.0418289625.

Adding to 1024320020 its reverse (200234201), we get a palindrome (1224554221).

The spelling of 1024320020 in words is "one billion, twenty-four million, three hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 19 20 29 38 58 76 95 116 145 190 290 380 551 580 1102 2204 2755 5510 11020 92951 185902 371804 464755 929510 1766069 1859020 2695579 3532138 5391158 7064276 8830345 10782316 13477895 17660690 26955790 35321380 51216001 53911580 102432002 204864004 256080005 512160010 1024320020