1220032203 has 32 divisors (see below), whose sum is σ = 1814944320. Its totient is φ = 724162560.

The previous prime is 1220032181. The next prime is 1220032207. The reversal of 1220032203 is 3022300221.

It is not a de Polignac number, because 1220032203 - 2⁶ = 1220032139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220032207) 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, 138025 + ... + 146597.

It is an arithmetic number, because the mean of its divisors is an integer number (56717010).

Almost surely, 2^1220032203 is an apocalyptic number.

1220032203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1220032203 is a deficient number, since it is larger than the sum of its proper divisors (594912117).

1220032203 is a wasteful number, since it uses less digits than its factorization.

1220032203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8719.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1220032203 is about 34928.9593747080. The cubic root of 1220032203 is about 1068.5391316680.

Adding to 1220032203 its reverse (3022300221), we get a palindrome (4242332424).

The spelling of 1220032203 in words is "one billion, two hundred twenty million, thirty-two thousand, two hundred three".