20004023242 has 16 divisors (see below), whose sum is σ = 34294982400. Its totient is φ = 8572560048.

The previous prime is 20004023239. The next prime is 20004023311. The reversal of 20004023242 is 24232040002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205759 + ... + 286957.

It is an arithmetic number, because the mean of its divisors is an integer number (2143436400).

Almost surely, 2^20004023242 is an apocalyptic number.

20004023242 is a deficient number, since it is larger than the sum of its proper divisors (14290959158).

20004023242 is a wasteful number, since it uses less digits than its factorization.

20004023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98805.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20004023242 its reverse (24232040002), we get a palindrome (44236063244).

The spelling of 20004023242 in words is "twenty billion, four million, twenty-three thousand, two hundred forty-two".