20000120203 has 32 divisors (see below), whose sum is σ = 24651457920. Its totient is φ = 15835944960.

The previous prime is 20000120191. The next prime is 20000120209. The reversal of 20000120203 is 30202100002.

It is a cyclic number.

It is not a de Polignac number, because 20000120203 - 2⁵ = 20000120171 is a prime.

It is a super-3 number, since 3×20000120203³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20000120203.

It is not an unprimeable number, because it can be changed into a prime (20000120209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3692125 + ... + 3697537.

It is an arithmetic number, because the mean of its divisors is an integer number (770358060).

Almost surely, 2^20000120203 is an apocalyptic number.

20000120203 is a deficient number, since it is larger than the sum of its proper divisors (4651337717).

20000120203 is a wasteful number, since it uses less digits than its factorization.

20000120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6007.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20000120203 its reverse (30202100002), we get a palindrome (50202220205).

The spelling of 20000120203 in words is "twenty billion, one hundred twenty thousand, two hundred three".