20234401442 has 4 divisors (see below), whose sum is σ = 30351602166. Its totient is φ = 10117200720.

The previous prime is 20234401423. The next prime is 20234401459. The reversal of 20234401442 is 24410443202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24410443202 = 2 ⋅12205221601.

It can be written as a sum of positive squares in only one way, i.e., 20220555601 + 13845841 = 142199^2 + 3721^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5058600359 + ... + 5058600362.

Almost surely, 2^20234401442 is an apocalyptic number.

20234401442 is a deficient number, since it is larger than the sum of its proper divisors (10117200724).

20234401442 is a wasteful number, since it uses less digits than its factorization.

20234401442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117200723.

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

Adding to 20234401442 its reverse (24410443202), we get a palindrome (44644844644).

The spelling of 20234401442 in words is "twenty billion, two hundred thirty-four million, four hundred one thousand, four hundred forty-two".