30202020203 has 4 divisors (see below), whose sum is σ = 30501050208. Its totient is φ = 29902990200.

The previous prime is 30202020151. The next prime is 30202020239.

30202020203 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30202020203 - 2¹⁰ = 30202019179 is a prime.

It is a super-2 number, since 2×30202020203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30202040203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149514851 + ... + 149515052.

It is an arithmetic number, because the mean of its divisors is an integer number (7625262552).

Almost surely, 2^30202020203 is an apocalyptic number.

30202020203 is a deficient number, since it is larger than the sum of its proper divisors (299030005).

30202020203 is a wasteful number, since it uses less digits than its factorization.

30202020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299030004.

The product of its (nonzero) digits is 144, while the sum is 14.

It can be divided in two parts, 302020 and 20203, that added together give a palindrome (322223).

The spelling of 30202020203 in words is "thirty billion, two hundred two million, twenty thousand, two hundred three".