20244331042 has 16 divisors (see below), whose sum is σ = 32873605632. Its totient is φ = 9294616080.

The previous prime is 20244331039. The next prime is 20244331043. The reversal of 20244331042 is 24013344202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20244330998 and 20244331016.

It is not an unprimeable number, because it can be changed into a prime (20244331043) by changing a digit.

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, 2033328 + ... + 2043259.

It is an arithmetic number, because the mean of its divisors is an integer number (2054600352).

Almost surely, 2^20244331042 is an apocalyptic number.

20244331042 is a deficient number, since it is larger than the sum of its proper divisors (12629274590).

20244331042 is a wasteful number, since it uses less digits than its factorization.

20244331042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076793.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20244331042 its reverse (24013344202), we get a palindrome (44257675244).

The spelling of 20244331042 in words is "twenty billion, two hundred forty-four million, three hundred thirty-one thousand, forty-two".