20224242212 has 6 divisors (see below), whose sum is σ = 35392423878. Its totient is φ = 10112121104.

The previous prime is 20224242211. The next prime is 20224242221. The reversal of 20224242212 is 21224242202.

It can be written as a sum of positive squares in only one way, i.e., 20148099136 + 76143076 = 141944^2 + 8726^2 .

It is not an unprimeable number, because it can be changed into a prime (20224242211) by changing a digit.

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 as a sum of consecutive naturals, namely, 2528030273 + ... + 2528030280.

It is an arithmetic number, because the mean of its divisors is an integer number (5898737313).

Almost surely, 2^20224242212 is an apocalyptic number.

It is an amenable number.

20224242212 is a deficient number, since it is larger than the sum of its proper divisors (15168181666).

20224242212 is a wasteful number, since it uses less digits than its factorization.

20224242212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056060557 (or 5056060555 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20224242212 its reverse (21224242202), we get a palindrome (41448484414).

The spelling of 20224242212 in words is "twenty billion, two hundred twenty-four million, two hundred forty-two thousand, two hundred twelve".