21303203140006 has 8 divisors (see below), whose sum is σ = 31967390304360. Its totient is φ = 10647406371888.

The previous prime is 21303203140001. The next prime is 21303203140057. The reversal of 21303203140006 is 60004130230312.

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

It is a super-2 number, since 2×21303203140006² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21303203140001) 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, 2097592711 + ... + 2097602866.

It is an arithmetic number, because the mean of its divisors is an integer number (3995923788045).

Almost surely, 2^{21303203140006} is an apocalyptic number.

21303203140006 is a deficient number, since it is larger than the sum of its proper divisors (10664187164354).

21303203140006 is a wasteful number, since it uses less digits than its factorization.

21303203140006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195198118.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21303203140006 its reverse (60004130230312), we get a palindrome (81307333370318).

The spelling of 21303203140006 in words is "twenty-one trillion, three hundred three billion, two hundred three million, one hundred forty thousand, six".