20212330444 has 6 divisors (see below), whose sum is σ = 35371578284. Its totient is φ = 10106165220.

The previous prime is 20212330441. The next prime is 20212330513. The reversal of 20212330444 is 44403321202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20212330441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526541302 + ... + 2526541309.

Almost surely, 2^20212330444 is an apocalyptic number.

It is an amenable number.

20212330444 is a deficient number, since it is larger than the sum of its proper divisors (15159247840).

20212330444 is a wasteful number, since it uses less digits than its factorization.

20212330444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053082615 (or 5053082613 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20212330444 its reverse (44403321202), we get a palindrome (64615651646).

The spelling of 20212330444 in words is "twenty billion, two hundred twelve million, three hundred thirty thousand, four hundred forty-four".