20002042105 has 8 divisors (see below), whose sum is σ = 24161408064. Its totient is φ = 15895662000.

The previous prime is 20002042103. The next prime is 20002042129. The reversal of 20002042105 is 50124020002.

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

It is not a de Polignac number, because 20002042105 - 2¹ = 20002042103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002042103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13245631 + ... + 13247140.

It is an arithmetic number, because the mean of its divisors is an integer number (3020176008).

Almost surely, 2^20002042105 is an apocalyptic number.

It is an amenable number.

20002042105 is a deficient number, since it is larger than the sum of its proper divisors (4159365959).

20002042105 is a wasteful number, since it uses less digits than its factorization.

20002042105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26492927.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 20002042105 its reverse (50124020002), we get a palindrome (70126062107).

The spelling of 20002042105 in words is "twenty billion, two million, forty-two thousand, one hundred five".