20430444202 has 8 divisors (see below), whose sum is σ = 35023618656. Its totient is φ = 8755904652.

The previous prime is 20430444193. The next prime is 20430444211. The reversal of 20430444202 is 20244403402.

It is an interprime number because it is at equal distance from previous prime (20430444193) and next prime (20430444211).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729658708 + ... + 729658735.

It is an arithmetic number, because the mean of its divisors is an integer number (4377952332).

Almost surely, 2^20430444202 is an apocalyptic number.

20430444202 is a deficient number, since it is larger than the sum of its proper divisors (14593174454).

20430444202 is a wasteful number, since it uses less digits than its factorization.

20430444202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459317452.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20430444202 its reverse (20244403402), we get a palindrome (40674847604).

The spelling of 20430444202 in words is "twenty billion, four hundred thirty million, four hundred forty-four thousand, two hundred two".