20114443442 has 16 divisors (see below), whose sum is σ = 32854809600. Its totient is φ = 9199345680.

The previous prime is 20114443411. The next prime is 20114443463. The reversal of 20114443442 is 24434441102.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 9125234 + ... + 9127437.

It is an arithmetic number, because the mean of its divisors is an integer number (2053425600).

Almost surely, 2^20114443442 is an apocalyptic number.

20114443442 is a deficient number, since it is larger than the sum of its proper divisors (12740366158).

20114443442 is a wasteful number, since it uses less digits than its factorization.

20114443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18252721.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 20114443442 its reverse (24434441102), we get a palindrome (44548884544).

The spelling of 20114443442 in words is "twenty billion, one hundred fourteen million, four hundred forty-three thousand, four hundred forty-two".