20021202011203 has 2 divisors, whose sum is σ = 20021202011204. Its totient is φ = 20021202011202.

The previous prime is 20021202011201. The next prime is 20021202011219. The reversal of 20021202011203 is 30211020212002.

It is a happy number.

It is an a-pointer prime, because the next prime (20021202011219) can be obtained adding 20021202011203 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20021202011203 - 2¹ = 20021202011201 is a prime.

Together with 20021202011201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20021202011201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010601005601 + 10010601005602.

It is an arithmetic number, because the mean of its divisors is an integer number (10010601005602).

Almost surely, 2^{20021202011203} is an apocalyptic number.

20021202011203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021202011203 is an equidigital number, since it uses as much as digits as its factorization.

20021202011203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20021202011203 its reverse (30211020212002), we get a palindrome (50232222223205).

The spelling of 20021202011203 in words is "twenty trillion, twenty-one billion, two hundred two million, eleven thousand, two hundred three".