20010230444 has 12 divisors (see below), whose sum is σ = 35020944000. Its totient is φ = 10004246448.

The previous prime is 20010230431. The next prime is 20010230453. The reversal of 20010230444 is 44403201002.

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 3 ways as a sum of consecutive naturals, for example, 163919 + ... + 258630.

It is an arithmetic number, because the mean of its divisors is an integer number (2918412000).

Almost surely, 2^20010230444 is an apocalyptic number.

It is an amenable number.

20010230444 is a deficient number, since it is larger than the sum of its proper divisors (15010713556).

20010230444 is a wasteful number, since it uses less digits than its factorization.

20010230444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434392 (or 434390 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20010230444 its reverse (44403201002), we get a palindrome (64413431446).

The spelling of 20010230444 in words is "twenty billion, ten million, two hundred thirty thousand, four hundred forty-four".