20300541555442 has 8 divisors (see below), whose sum is σ = 30450856780332. Its totient is φ = 10150255962000.

The previous prime is 20300541555421. The next prime is 20300541555451. The reversal of 20300541555442 is 24455514500302.

It can be written as a sum of positive squares in 2 ways, for example, as 16484891105281 + 3815650450161 = 4060159^2 + 1953369^2 .

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

It is a super-2 number, since 2×20300541555442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20300541555395 and 20300541555404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5607609 + ... + 8488012.

Almost surely, 2^{20300541555442} is an apocalyptic number.

20300541555442 is a deficient number, since it is larger than the sum of its proper divisors (10150315224890).

20300541555442 is a wasteful number, since it uses less digits than its factorization.

20300541555442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14815724.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 20300541555442 in words is "twenty trillion, three hundred billion, five hundred forty-one million, five hundred fifty-five thousand, four hundred forty-two".