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20331133112 = 233256978031
BaseRepresentation
bin10010111011110101…
…000111100010111000
31221110220121120111002
4102323311013202320
5313114232224422
613201234424132
71316552531363
oct227365074270
957426546432
1020331133112
118693438254
123b34a32048
131bc01863a4
14dac2810da
157ded79692
hex4bbd478b8

20331133112 has 16 divisors (see below), whose sum is σ = 38122533600. Its totient is φ = 10165124160.

The previous prime is 20331133099. The next prime is 20331133127. The reversal of 20331133112 is 21133113302.

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, 221537 + ... + 299567.

It is an arithmetic number, because the mean of its divisors is an integer number (2382658350).

Almost surely, 220331133112 is an apocalyptic number.

It is an amenable number.

20331133112 is a deficient number, since it is larger than the sum of its proper divisors (17791400488).

20331133112 is a wasteful number, since it uses less digits than its factorization.

20331133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110606 (or 110602 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20331133112 its reverse (21133113302), we get a palindrome (41464246414).

The spelling of 20331133112 in words is "twenty billion, three hundred thirty-one million, one hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 32569 65138 78031 130276 156062 260552 312124 624248 2541391639 5082783278 10165566556 20331133112