20454223500242 has 48 divisors (see below), whose sum is σ = 36451819272960. Its totient is φ = 8579132739072.

The previous prime is 20454223500233. The next prime is 20454223500251. The reversal of 20454223500242 is 24200532245402.

It is an interprime number because it is at equal distance from previous prime (20454223500233) and next prime (20454223500251).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96292883 + ... + 96505065.

It is an arithmetic number, because the mean of its divisors is an integer number (759412901520).

Almost surely, 2^{20454223500242} is an apocalyptic number.

20454223500242 is a deficient number, since it is larger than the sum of its proper divisors (15997595772718).

20454223500242 is a wasteful number, since it uses less digits than its factorization.

20454223500242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233175 (or 233168 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 20454223500242 its reverse (24200532245402), we get a palindrome (44654755745644).

The spelling of 20454223500242 in words is "twenty trillion, four hundred fifty-four billion, two hundred twenty-three million, five hundred thousand, two hundred forty-two".