20042343098 has 4 divisors (see below), whose sum is σ = 30063514650. Its totient is φ = 10021171548.

The previous prime is 20042343077. The next prime is 20042343109. The reversal of 20042343098 is 89034324002.

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., 19984628689 + 57714409 = 141367^2 + 7597^2 .

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 as a sum of consecutive naturals, namely, 5010585773 + ... + 5010585776.

Almost surely, 2^20042343098 is an apocalyptic number.

20042343098 is a deficient number, since it is larger than the sum of its proper divisors (10021171552).

20042343098 is a wasteful number, since it uses less digits than its factorization.

20042343098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021171551.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 20042343098 in words is "twenty billion, forty-two million, three hundred forty-three thousand, ninety-eight".