20414234042 has 4 divisors (see below), whose sum is σ = 30621351066. Its totient is φ = 10207117020.

The previous prime is 20414234023. The next prime is 20414234063. The reversal of 20414234042 is 24043241402.

It is a happy number.

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., 17579842921 + 2834391121 = 132589^2 + 53239^2 .

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, 5103558509 + ... + 5103558512.

Almost surely, 2^20414234042 is an apocalyptic number.

20414234042 is a deficient number, since it is larger than the sum of its proper divisors (10207117024).

20414234042 is a wasteful number, since it uses less digits than its factorization.

20414234042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207117023.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20414234042 its reverse (24043241402), we get a palindrome (44457475444).

The spelling of 20414234042 in words is "twenty billion, four hundred fourteen million, two hundred thirty-four thousand, forty-two".