20443142004 has 48 divisors (see below), whose sum is σ = 47935431936. Its totient is φ = 6780928000.

The previous prime is 20443141951. The next prime is 20443142051. The reversal of 20443142004 is 40024134402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2069044 + ... + 2078900.

It is an arithmetic number, because the mean of its divisors is an integer number (998654832).

Almost surely, 2^20443142004 is an apocalyptic number.

It is an amenable number.

20443142004 is an abundant number, since it is smaller than the sum of its proper divisors (27492289932).

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

20443142004 is a wasteful number, since it uses less digits than its factorization.

20443142004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10696 (or 10694 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20443142004 its reverse (40024134402), we get a palindrome (60467276406).

The spelling of 20443142004 in words is "twenty billion, four hundred forty-three million, one hundred forty-two thousand, four".