20424355430105 has 8 divisors (see below), whose sum is σ = 26737338017664. Its totient is φ = 14854076676400.

The previous prime is 20424355430099. The next prime is 20424355430107. The reversal of 20424355430105 is 50103455342402.

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

It is not a de Polignac number, because 20424355430105 - 2⁶ = 20424355430041 is a prime.

It is a super-2 number, since 2×20424355430105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20424355430107) 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, 185675958401 + ... + 185675958510.

It is an arithmetic number, because the mean of its divisors is an integer number (3342167252208).

Almost surely, 2^{20424355430105} is an apocalyptic number.

It is an amenable number.

20424355430105 is a deficient number, since it is larger than the sum of its proper divisors (6312982587559).

20424355430105 is a wasteful number, since it uses less digits than its factorization.

20424355430105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371351916927.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 20424355430105 in words is "twenty trillion, four hundred twenty-four billion, three hundred fifty-five million, four hundred thirty thousand, one hundred five".