20012303446 has 8 divisors (see below), whose sum is σ = 30028119840. Its totient is φ = 10002930168.

The previous prime is 20012303431. The next prime is 20012303447. The reversal of 20012303446 is 64430321002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20012303446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012303447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603006 + ... + 1615441.

It is an arithmetic number, because the mean of its divisors is an integer number (3753514980).

Almost surely, 2^20012303446 is an apocalyptic number.

20012303446 is a deficient number, since it is larger than the sum of its proper divisors (10015816394).

20012303446 is a wasteful number, since it uses less digits than its factorization.

20012303446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221558.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20012303446 its reverse (64430321002), we get a palindrome (84442624448).

The spelling of 20012303446 in words is "twenty billion, twelve million, three hundred three thousand, four hundred forty-six".