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20354132041 = 68087298943
BaseRepresentation
bin10010111101001100…
…110110100001001001
31221112111220001002021
4102331030312201021
5313141124211131
613203415404441
71320252160555
oct227514664111
957474801067
1020354132041
1186a5416731
123b40683721
131bc4b79819
14db134a865
157e1dbde11
hex4bd336849

20354132041 has 4 divisors (see below), whose sum is σ = 20354499072. Its totient is φ = 20353765012.

The previous prime is 20354131981. The next prime is 20354132053. The reversal of 20354132041 is 14023145302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20354132041 - 211 = 20354129993 is a prime.

It is a super-2 number, since 2×203541320412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20354131997 and 20354132015.

It is not an unprimeable number, because it can be changed into a prime (20354132341) 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 3 ways as a sum of consecutive naturals, for example, 81385 + ... + 217558.

It is an arithmetic number, because the mean of its divisors is an integer number (5088624768).

Almost surely, 220354132041 is an apocalyptic number.

It is an amenable number.

20354132041 is a deficient number, since it is larger than the sum of its proper divisors (367031).

20354132041 is an equidigital number, since it uses as much as digits as its factorization.

20354132041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367030.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20354132041 its reverse (14023145302), we get a palindrome (34377277343).

The spelling of 20354132041 in words is "twenty billion, three hundred fifty-four million, one hundred thirty-two thousand, forty-one".

Divisors: 1 68087 298943 20354132041