20005106736142 has 16 divisors (see below), whose sum is σ = 32789031558192. Its totient is φ = 9078396347520.

The previous prime is 20005106736137. The next prime is 20005106736193. The reversal of 20005106736142 is 24163760150002.

It is a congruent number.

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, 741685563 + ... + 741712534.

It is an arithmetic number, because the mean of its divisors is an integer number (2049314472387).

Almost surely, 2^{20005106736142} is an apocalyptic number.

20005106736142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20005106736142 is a deficient number, since it is larger than the sum of its proper divisors (12783924822050).

20005106736142 is a wasteful number, since it uses less digits than its factorization.

20005106736142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483398723.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 20005106736142 its reverse (24163760150002), we get a palindrome (44168866886144).

The spelling of 20005106736142 in words is "twenty trillion, five billion, one hundred six million, seven hundred thirty-six thousand, one hundred forty-two".