20445024224242 has 8 divisors (see below), whose sum is σ = 30667582187100. Its totient is φ = 10222496828544.

The previous prime is 20445024224227. The next prime is 20445024224257. The reversal of 20445024224242 is 24242242054402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20445024224227) and next prime (20445024224257).

It can be written as a sum of positive squares in 2 ways, for example, as 19588068557281 + 856955666961 = 4425841^2 + 925719^2 .

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

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, 5889267 + ... + 8693302.

Almost surely, 2^{20445024224242} is an apocalyptic number.

20445024224242 is a deficient number, since it is larger than the sum of its proper divisors (10222557962858).

20445024224242 is a wasteful number, since it uses less digits than its factorization.

20445024224242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15283580.

The product of its (nonzero) digits is 327680, while the sum is 37.

Adding to 20445024224242 its reverse (24242242054402), we get a palindrome (44687266278644).

The spelling of 20445024224242 in words is "twenty trillion, four hundred forty-five billion, twenty-four million, two hundred twenty-four thousand, two hundred forty-two".