1202020203 has 8 divisors (see below), whose sum is σ = 1604205568. Its totient is φ = 800590824.

The previous prime is 1202020187. The next prime is 1202020213. The reversal of 1202020203 is 3020202021.

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

It is not a de Polignac number, because 1202020203 - 2⁴ = 1202020187 is a prime.

It is a super-2 number, since 2×1202020203² = 2889705136840322418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185275 + ... + 191652.

It is an arithmetic number, because the mean of its divisors is an integer number (200525696).

Almost surely, 2^1202020203 is an apocalyptic number.

1202020203 is a deficient number, since it is larger than the sum of its proper divisors (402185365).

1202020203 is a wasteful number, since it uses less digits than its factorization.

1202020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377993.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1202020203 is about 34670.1630079814. The cubic root of 1202020203 is about 1063.2545643072.

Adding to 1202020203 its reverse (3020202021), we get a palindrome (4222222224).

It can be divided in two parts, 12020 and 20203, that added together give a palindrome (32223).

The spelling of 1202020203 in words is "one billion, two hundred two million, twenty thousand, two hundred three".