20201044434042 has 16 divisors (see below), whose sum is σ = 40435124114880. Its totient is φ = 6728175603552.

The previous prime is 20201044434037. The next prime is 20201044434049. The reversal of 20201044434042 is 24043444010202.

It is a super-2 number, since 2×20201044434042² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201044434049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376460667 + ... + 1376475342.

It is an arithmetic number, because the mean of its divisors is an integer number (2527195257180).

Almost surely, 2^{20201044434042} is an apocalyptic number.

20201044434042 is an abundant number, since it is smaller than the sum of its proper divisors (20234079680838).

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

20201044434042 is a wasteful number, since it uses less digits than its factorization.

20201044434042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752937237.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20201044434042 its reverse (24043444010202), we get a palindrome (44244488444244).

The spelling of 20201044434042 in words is "twenty trillion, two hundred one billion, forty-four million, four hundred thirty-four thousand, forty-two".