20203030202203 has 4 divisors (see below), whose sum is σ = 20203179328800. Its totient is φ = 20202881075608.

The previous prime is 20203030202171. The next prime is 20203030202209. The reversal of 20203030202203 is 30220203030202.

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 20203030202203 - 2⁵ = 20203030202171 is a prime.

It is a super-2 number, since 2×20203030202203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203030202209) 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, 74359900 + ... + 74631097.

It is an arithmetic number, because the mean of its divisors is an integer number (5050794832200).

Almost surely, 2^{20203030202203} is an apocalyptic number.

20203030202203 is a deficient number, since it is larger than the sum of its proper divisors (149126597).

20203030202203 is a wasteful number, since it uses less digits than its factorization.

20203030202203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149126596.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20203030202203 its reverse (30220203030202), we get a palindrome (50423233232405).

The spelling of 20203030202203 in words is "twenty trillion, two hundred three billion, thirty million, two hundred two thousand, two hundred three".