20201141242 has 16 divisors (see below), whose sum is σ = 32866708392. Its totient is φ = 9274554880.

The previous prime is 20201141209. The next prime is 20201141287. The reversal of 20201141242 is 24214110202.

It can be written as a sum of positive squares in 4 ways, for example, as 15644756241 + 4556385001 = 125079^2 + 67501^2 .

It is a super-2 number, since 2×20201141242² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7244353 + ... + 7247140.

Almost surely, 2^20201141242 is an apocalyptic number.

20201141242 is a deficient number, since it is larger than the sum of its proper divisors (12665567150).

20201141242 is a wasteful number, since it uses less digits than its factorization.

20201141242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14491553.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20201141242 its reverse (24214110202), we get a palindrome (44415251444).

It can be divided in two parts, 202011 and 41242, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 20201141242 in words is "twenty billion, two hundred one million, one hundred forty-one thousand, two hundred forty-two".