20002012100203 has 16 divisors (see below), whose sum is σ = 23096658816000. Its totient is φ = 16967044445472.

The previous prime is 20002012100179. The next prime is 20002012100237. The reversal of 20002012100203 is 30200121020002.

It is a cyclic number.

It is not a de Polignac number, because 20002012100203 - 2¹⁷ = 20002011969131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002012100263) 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, 14982583 + ... + 16262896.

It is an arithmetic number, because the mean of its divisors is an integer number (1443541176000).

Almost surely, 2^{20002012100203} is an apocalyptic number.

20002012100203 is a deficient number, since it is larger than the sum of its proper divisors (3094646715797).

20002012100203 is a wasteful number, since it uses less digits than its factorization.

20002012100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31246434.

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

Adding to 20002012100203 its reverse (30200121020002), we get a palindrome (50202133120205).

The spelling of 20002012100203 in words is "twenty trillion, two billion, twelve million, one hundred thousand, two hundred three".