20200121200203 has 8 divisors (see below), whose sum is σ = 30781137067008. Its totient is φ = 11542926400104.

The previous prime is 20200121200183. The next prime is 20200121200219. The reversal of 20200121200203 is 30200212100202.

It is a happy number.

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

It is not a de Polignac number, because 20200121200203 - 2¹⁷ = 20200121069131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20200121204203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480955266651 + ... + 480955266692.

It is an arithmetic number, because the mean of its divisors is an integer number (3847642133376).

Almost surely, 2^{20200121200203} is an apocalyptic number.

20200121200203 is a deficient number, since it is larger than the sum of its proper divisors (10581015866805).

20200121200203 is an equidigital number, since it uses as much as digits as its factorization.

20200121200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961910533353.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20200121200203 its reverse (30200212100202), we get a palindrome (50400333300405).

The spelling of 20200121200203 in words is "twenty trillion, two hundred billion, one hundred twenty-one million, two hundred thousand, two hundred three".