20244220004 has 6 divisors (see below), whose sum is σ = 35427385014. Its totient is φ = 10122110000.

The previous prime is 20244219949. The next prime is 20244220039. The reversal of 20244220004 is 40002244202.

It can be written as a sum of positive squares in only one way, i.e., 11295438400 + 8948781604 = 106280^2 + 94598^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530527497 + ... + 2530527504.

It is an arithmetic number, because the mean of its divisors is an integer number (5904564169).

Almost surely, 2^20244220004 is an apocalyptic number.

It is an amenable number.

20244220004 is a deficient number, since it is larger than the sum of its proper divisors (15183165010).

20244220004 is a wasteful number, since it uses less digits than its factorization.

20244220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061055005 (or 5061055003 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20244220004 its reverse (40002244202), we get a palindrome (60246464206).

The spelling of 20244220004 in words is "twenty billion, two hundred forty-four million, two hundred twenty thousand, four".