20353430374541 has 8 divisors (see below), whose sum is σ = 22411253837664. Its totient is φ = 18330192179920.

The previous prime is 20353430374493. The next prime is 20353430374549. The reversal of 20353430374541 is 14547303435302.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20353430374541 is a prime.

It is a super-2 number, since 2×20353430374541² (a number of 27 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 = 20353430374492 and 20353430374501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20353430374549) 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, 8646315890 + ... + 8646318243.

It is an arithmetic number, because the mean of its divisors is an integer number (2801406729708).

Almost surely, 2^{20353430374541} is an apocalyptic number.

It is an amenable number.

20353430374541 is a deficient number, since it is larger than the sum of its proper divisors (2057823463123).

20353430374541 is a wasteful number, since it uses less digits than its factorization.

20353430374541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17292634251.

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 20353430374541 in words is "twenty trillion, three hundred fifty-three billion, four hundred thirty million, three hundred seventy-four thousand, five hundred forty-one".