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20112232330 = 2517739160091
BaseRepresentation
bin10010101110110010…
…000100111110001010
31220220122201021001201
4102232302010332022
5312142212413310
613123414534414
71311254103601
oct225662047612
956818637051
1020112232330
118590915913
123a9366740a
131b86a120b8
14d8b17ca38
157caa39e3a
hex4aec84f8a

20112232330 has 32 divisors (see below), whose sum is σ = 38383657920. Its totient is φ = 7561370880.

The previous prime is 20112232249. The next prime is 20112232333. The reversal of 20112232330 is 3323221102.

It is a junction number, because it is equal to n+sod(n) for n = 20112232298 and 20112232307.

It is not an unprimeable number, because it can be changed into a prime (20112232333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45585 + ... + 205675.

It is an arithmetic number, because the mean of its divisors is an integer number (1199489310).

Almost surely, 220112232330 is an apocalyptic number.

20112232330 is a deficient number, since it is larger than the sum of its proper divisors (18271425590).

20112232330 is a wasteful number, since it uses less digits than its factorization.

20112232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160854.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20112232330 its reverse (3323221102), we get a palindrome (23435453432).

The spelling of 20112232330 in words is "twenty billion, one hundred twelve million, two hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 739 1478 3695 7390 12563 25126 62815 125630 160091 320182 800455 1600910 2721547 5443094 13607735 27215470 118307249 236614498 591536245 1183072490 2011223233 4022446466 10056116165 20112232330