20001444124 has 12 divisors (see below), whose sum is σ = 35004179448. Its totient is φ = 10000250000.

The previous prime is 20001444097. The next prime is 20001444143. The reversal of 20001444124 is 42144410002.

It is a junction number, because it is equal to n+sod(n) for n = 20001444095 and 20001444104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12127 + ... + 200374.

It is an arithmetic number, because the mean of its divisors is an integer number (2917014954).

Almost surely, 2^20001444124 is an apocalyptic number.

It is an amenable number.

20001444124 is a deficient number, since it is larger than the sum of its proper divisors (15002735324).

20001444124 is a wasteful number, since it uses less digits than its factorization.

20001444124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236036 (or 236034 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20001444124 its reverse (42144410002), we get a palindrome (62145854126).

The spelling of 20001444124 in words is "twenty billion, one million, four hundred forty-four thousand, one hundred twenty-four".