20213203432103 has 16 divisors (see below), whose sum is σ = 22564666608000. Its totient is φ = 17947431442080.

The previous prime is 20213203432099. The next prime is 20213203432109. The reversal of 20213203432103 is 30123430231202.

It is a happy number.

It is not a de Polignac number, because 20213203432103 - 2² = 20213203432099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213203432109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8862833 + ... + 10907621.

It is an arithmetic number, because the mean of its divisors is an integer number (1410291663000).

Almost surely, 2^{20213203432103} is an apocalyptic number.

20213203432103 is a deficient number, since it is larger than the sum of its proper divisors (2351463175897).

20213203432103 is a wasteful number, since it uses less digits than its factorization.

20213203432103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065742.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20213203432103 its reverse (30123430231202), we get a palindrome (50336633663305).

The spelling of 20213203432103 in words is "twenty trillion, two hundred thirteen billion, two hundred three million, four hundred thirty-two thousand, one hundred three".