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20120353041 = 343155971729
BaseRepresentation
bin10010101111010001…
…000011100100010001
31220221012222211120210
4102233101003210101
5312201302244131
613124304554333
71311413115255
oct225721034421
956835884523
1020120353041
118595462048
123a963229a9
131b885c6459
14d8c294265
157cb5e1146
hex4af443911

20120353041 has 8 divisors (see below), whose sum is σ = 27451024480. Its totient is φ = 13101625152.

The previous prime is 20120353039. The next prime is 20120353049. The reversal of 20120353041 is 14035302102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20120353041 - 21 = 20120353039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20120352999 and 20120353017.

It is not an unprimeable number, because it can be changed into a prime (20120353049) 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, 77985736 + ... + 77985993.

It is an arithmetic number, because the mean of its divisors is an integer number (3431378060).

Almost surely, 220120353041 is an apocalyptic number.

It is an amenable number.

20120353041 is a deficient number, since it is larger than the sum of its proper divisors (7330671439).

20120353041 is a wasteful number, since it uses less digits than its factorization.

20120353041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155971775.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20120353041 its reverse (14035302102), we get a palindrome (34155655143).

The spelling of 20120353041 in words is "twenty billion, one hundred twenty million, three hundred fifty-three thousand, forty-one".

Divisors: 1 3 43 129 155971729 467915187 6706784347 20120353041