20442234244 has 6 divisors (see below), whose sum is σ = 35773909934. Its totient is φ = 10221117120.

The previous prime is 20442234233. The next prime is 20442234287. The reversal of 20442234244 is 44243224402.

It can be written as a sum of positive squares in only one way, i.e., 19456902144 + 985332100 = 139488^2 + 31390^2 .

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 as a sum of consecutive naturals, namely, 2555279277 + ... + 2555279284.

Almost surely, 2^20442234244 is an apocalyptic number.

It is an amenable number.

20442234244 is a deficient number, since it is larger than the sum of its proper divisors (15331675690).

20442234244 is a wasteful number, since it uses less digits than its factorization.

20442234244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110558565 (or 5110558563 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 20442234244 its reverse (44243224402), we get a palindrome (64685458646).

The spelling of 20442234244 in words is "twenty billion, four hundred forty-two million, two hundred thirty-four thousand, two hundred forty-four".