4000020244 has 24 divisors (see below), whose sum is σ = 7710550848. Its totient is φ = 1800536640.

The previous prime is 4000020203. The next prime is 4000020289. The reversal of 4000020244 is 4420200004.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 436777 + ... + 445840.

It is an arithmetic number, because the mean of its divisors is an integer number (321272952).

Almost surely, 2^4000020244 is an apocalyptic number.

4000020244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4000020244 is a deficient number, since it is larger than the sum of its proper divisors (3710530604).

4000020244 is a wasteful number, since it uses less digits than its factorization.

4000020244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882735 (or 882733 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4000020244 is about 63245.7132460375. The cubic root of 4000020244 is about 1587.4037299093.

Adding to 4000020244 its reverse (4420200004), we get a palindrome (8420220248).

The spelling of 4000020244 in words is "four billion, twenty thousand, two hundred forty-four".