20021203000105 has 8 divisors (see below), whose sum is σ = 24039196011072. Its totient is φ = 16007794126128.

The previous prime is 20021203000069. The next prime is 20021203000111. The reversal of 20021203000105 is 50100030212002.

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

It is a cyclic number.

It is not a de Polignac number, because 20021203000105 - 2⁷ = 20021202999977 is a prime.

It is a super-2 number, since 2×20021203000105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146024637 + ... + 1146042106.

It is an arithmetic number, because the mean of its divisors is an integer number (3004899501384).

Almost surely, 2^{20021203000105} is an apocalyptic number.

It is an amenable number.

20021203000105 is a deficient number, since it is larger than the sum of its proper divisors (4017993010967).

20021203000105 is a wasteful number, since it uses less digits than its factorization.

20021203000105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292068495.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20021203000105 its reverse (50100030212002), we get a palindrome (70121233212107).

The spelling of 20021203000105 in words is "twenty trillion, twenty-one billion, two hundred three million, one hundred five", and thus it is an aban number.