2005102040142 has 8 divisors (see below), whose sum is σ = 4010204080296. Its totient is φ = 668367346712.

The previous prime is 2005102040131. The next prime is 2005102040143. The reversal of 2005102040142 is 2410402015002.

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

2005102040142 is an admirable number.

It is a super-2 number, since 2×2005102040142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005102040143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167091836673 + ... + 167091836684.

It is an arithmetic number, because the mean of its divisors is an integer number (501275510037).

Almost surely, 2^{2005102040142} is an apocalyptic number.

2005102040142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005102040142 is a wasteful number, since it uses less digits than its factorization.

2005102040142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334183673362.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 2005102040142 its reverse (2410402015002), we get a palindrome (4415504055144).

The spelling of 2005102040142 in words is "two trillion, five billion, one hundred two million, forty thousand, one hundred forty-two".