20010012002203 has 4 divisors (see below), whose sum is σ = 20010428777880. Its totient is φ = 20009595226528.

The previous prime is 20010012002137. The next prime is 20010012002209. The reversal of 20010012002203 is 30220021001002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20010012002203 - 2⁹ = 20010012001691 is a prime.

It is a super-2 number, since 2×20010012002203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010012002209) 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, 208315813 + ... + 208411846.

It is an arithmetic number, because the mean of its divisors is an integer number (5002607194470).

Almost surely, 2^{20010012002203} is an apocalyptic number.

20010012002203 is a deficient number, since it is larger than the sum of its proper divisors (416775677).

20010012002203 is an equidigital number, since it uses as much as digits as its factorization.

20010012002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416775676.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20010012002203 its reverse (30220021001002), we get a palindrome (50230033003205).

The spelling of 20010012002203 in words is "twenty trillion, ten billion, twelve million, two thousand, two hundred three".