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20020231030232 = 2311923209890873
BaseRepresentation
bin1001000110101010100101…
…10000100100010111011000
32121212220201022201022210202
410203111102300210113120
510111002413120431412
6110325100035201332
74134261662652206
oct443252260442730
977786638638722
1020020231030232
116419594543534
1222b407aa46248
13b22b907bb844
144d2dad0c2076
1524ab8b03a3c2
hex123552c245d8

20020231030232 has 16 divisors (see below), whose sum is σ = 37541081723640. Its totient is φ = 10009275903936.

The previous prime is 20020231030211. The next prime is 20020231030279. The reversal of 20020231030232 is 23203013202002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104850053 + ... + 105040820.

Almost surely, 220020231030232 is an apocalyptic number.

It is an amenable number.

20020231030232 is a deficient number, since it is larger than the sum of its proper divisors (17520850693408).

20020231030232 is a wasteful number, since it uses less digits than its factorization.

20020231030232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209902802 (or 209902798 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20020231030232 its reverse (23203013202002), we get a palindrome (43223244232234).

The spelling of 20020231030232 in words is "twenty trillion, twenty billion, two hundred thirty-one million, thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11923 23846 47692 95384 209890873 419781746 839563492 1679126984 2502528878779 5005057757558 10010115515116 20020231030232