20203021212203 has 2 divisors, whose sum is σ = 20203021212204. Its totient is φ = 20203021212202.

The previous prime is 20203021212161. The next prime is 20203021212287. The reversal of 20203021212203 is 30221212030202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20203021212203 - 2⁴² = 15804974701099 is a prime.

It is a super-2 number, since 2×20203021212203² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20203021214203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101510606101 + 10101510606102.

It is an arithmetic number, because the mean of its divisors is an integer number (10101510606102).

Almost surely, 2^{20203021212203} is an apocalyptic number.

20203021212203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203021212203 is an equidigital number, since it uses as much as digits as its factorization.

20203021212203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20203021212203 its reverse (30221212030202), we get a palindrome (50424233242405).

The spelling of 20203021212203 in words is "twenty trillion, two hundred three billion, twenty-one million, two hundred twelve thousand, two hundred three".