20443403350 has 12 divisors (see below), whose sum is σ = 38024730324. Its totient is φ = 8177361320.

The previous prime is 20443403311. The next prime is 20443403353. The reversal of 20443403350 is 5330434402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443403353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204433984 + ... + 204434083.

It is an arithmetic number, because the mean of its divisors is an integer number (3168727527).

Almost surely, 2^20443403350 is an apocalyptic number.

20443403350 is a deficient number, since it is larger than the sum of its proper divisors (17581326974).

20443403350 is a wasteful number, since it uses less digits than its factorization.

20443403350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408868079 (or 408868074 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 20443403350 its reverse (5330434402), we get a palindrome (25773837752).

The spelling of 20443403350 in words is "twenty billion, four hundred forty-three million, four hundred three thousand, three hundred fifty".