20242323020042 has 4 divisors (see below), whose sum is σ = 30363484530066. Its totient is φ = 10121161510020.

The previous prime is 20242323020039. The next prime is 20242323020083. The reversal of 20242323020042 is 24002032324202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17844195129121 + 2398127890921 = 4224239^2 + 1548589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20242323019993 and 20242323020020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060580755009 + ... + 5060580755012.

Almost surely, 2^{20242323020042} is an apocalyptic number.

20242323020042 is a deficient number, since it is larger than the sum of its proper divisors (10121161510024).

20242323020042 is a wasteful number, since it uses less digits than its factorization.

20242323020042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121161510023.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20242323020042 its reverse (24002032324202), we get a palindrome (44244355344244).

The spelling of 20242323020042 in words is "twenty trillion, two hundred forty-two billion, three hundred twenty-three million, twenty thousand, forty-two".