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20001124344 = 2332957281833
BaseRepresentation
bin10010101000001010…
…001110111111111000
31220121220122101120010
4102220022032333320
5311430241434334
613104405301520
71305434515605
oct225012167770
956556571503
1020001124344
118534127833
123a624048a0
131b699ac626
14d7a4d96ac
157c0dde0e9
hex4a828eff8

20001124344 has 32 divisors (see below), whose sum is σ = 50019898320. Its totient is φ = 6664763136.

The previous prime is 20001124303. The next prime is 20001124349. The reversal of 20001124344 is 44342110002.

It is a self number, because there is not a number n which added to its sum of digits gives 20001124344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001124349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69949 + ... + 211884.

Almost surely, 220001124344 is an apocalyptic number.

20001124344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20001124344 is an abundant number, since it is smaller than the sum of its proper divisors (30018773976).

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

20001124344 is a wasteful number, since it uses less digits than its factorization.

20001124344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284799 (or 284795 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20001124344 its reverse (44342110002), we get a palindrome (64343234346).

The spelling of 20001124344 in words is "twenty billion, one million, one hundred twenty-four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 2957 5914 8871 11828 17742 23656 35484 70968 281833 563666 845499 1127332 1690998 2254664 3381996 6763992 833380181 1666760362 2500140543 3333520724 5000281086 6667041448 10000562172 20001124344