20020444442 has 8 divisors (see below), whose sum is σ = 30392482176. Its totient is φ = 9889617052.

The previous prime is 20020444421. The next prime is 20020444463. The reversal of 20020444442 is 24444402002.

It is an interprime number because it is at equal distance from previous prime (20020444421) and next prime (20020444463).

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 60302378 + ... + 60302709.

It is an arithmetic number, because the mean of its divisors is an integer number (3799060272).

Almost surely, 2^20020444442 is an apocalyptic number.

20020444442 is a deficient number, since it is larger than the sum of its proper divisors (10372037734).

20020444442 is a wasteful number, since it uses less digits than its factorization.

20020444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120605172.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20020444442 its reverse (24444402002), we get a palindrome (44464846444).

The spelling of 20020444442 in words is "twenty billion, twenty million, four hundred forty-four thousand, four hundred forty-two".