20354324554202 has 8 divisors (see below), whose sum is σ = 30846244427796. Its totient is φ = 10072243078272.

The previous prime is 20354324554141. The next prime is 20354324554231. The reversal of 20354324554202 is 20245542345302.

It can be written as a sum of positive squares in 2 ways, for example, as 18076009024921 + 2278315529281 = 4251589^2 + 1509409^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20354324554202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52459599173 + ... + 52459599560.

Almost surely, 2^{20354324554202} is an apocalyptic number.

20354324554202 is a deficient number, since it is larger than the sum of its proper divisors (10491919873594).

20354324554202 is a wasteful number, since it uses less digits than its factorization.

20354324554202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104919198832.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 20354324554202 its reverse (20245542345302), we get a palindrome (40599866899504).

The spelling of 20354324554202 in words is "twenty trillion, three hundred fifty-four billion, three hundred twenty-four million, five hundred fifty-four thousand, two hundred two".