20006426446 has 8 divisors (see below), whose sum is σ = 31044454920. Its totient is φ = 9658274808.

The previous prime is 20006426441. The next prime is 20006426477. The reversal of 20006426446 is 64462460002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20006426441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172469136 + ... + 172469251.

It is an arithmetic number, because the mean of its divisors is an integer number (3880556865).

Almost surely, 2^20006426446 is an apocalyptic number.

20006426446 is a deficient number, since it is larger than the sum of its proper divisors (11038028474).

20006426446 is a wasteful number, since it uses less digits than its factorization.

20006426446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344938418.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 20006426446 its reverse (64462460002), we get a palindrome (84468886448).

The spelling of 20006426446 in words is "twenty billion, six million, four hundred twenty-six thousand, four hundred forty-six".