20050305142 has 16 divisors (see below), whose sum is σ = 36181002240. Its totient is φ = 8140725288.

The previous prime is 20050305113. The next prime is 20050305211. The reversal of 20050305142 is 24150305002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37688278 + ... + 37688809.

It is an arithmetic number, because the mean of its divisors is an integer number (2261312640).

Almost surely, 2^20050305142 is an apocalyptic number.

20050305142 is a deficient number, since it is larger than the sum of its proper divisors (16130697098).

20050305142 is a wasteful number, since it uses less digits than its factorization.

20050305142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75377115.

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 20050305142 in words is "twenty billion, fifty million, three hundred five thousand, one hundred forty-two".