20010050042 has 8 divisors (see below), whose sum is σ = 30581397396. Its totient is φ = 9816250912.

The previous prime is 20010049993. The next prime is 20010050077. The reversal of 20010050042 is 24005001002.

It can be written as a sum of positive squares in 2 ways, for example, as 19934898481 + 75151561 = 141191^2 + 8669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20010049999 and 20010050026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94386923 + ... + 94387134.

Almost surely, 2^20010050042 is an apocalyptic number.

20010050042 is a deficient number, since it is larger than the sum of its proper divisors (10571347354).

20010050042 is a wasteful number, since it uses less digits than its factorization.

20010050042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188774112.

The product of its (nonzero) digits is 80, while the sum is 14.

Adding to 20010050042 its reverse (24005001002), we get a palindrome (44015051044).

The spelling of 20010050042 in words is "twenty billion, ten million, fifty thousand, forty-two".