20012110331042 has 16 divisors (see below), whose sum is σ = 30050652713472. Its totient is φ = 9995226510480.

The previous prime is 20012110331039. The next prime is 20012110331063. The reversal of 20012110331042 is 24013301121002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172301153 + ... + 172417259.

It is an arithmetic number, because the mean of its divisors is an integer number (1878165794592).

Almost surely, 2^{20012110331042} is an apocalyptic number.

20012110331042 is a deficient number, since it is larger than the sum of its proper divisors (10038542382430).

20012110331042 is a wasteful number, since it uses less digits than its factorization.

20012110331042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208633.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20012110331042 its reverse (24013301121002), we get a palindrome (44025411452044).

The spelling of 20012110331042 in words is "twenty trillion, twelve billion, one hundred ten million, three hundred thirty-one thousand, forty-two".