1202220205 has 4 divisors (see below), whose sum is σ = 1442664252. Its totient is φ = 961776160.

The previous prime is 1202220199. The next prime is 1202220247. The reversal of 1202220205 is 5020222021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5020222021 = 89 ⋅56406989.

It can be written as a sum of positive squares in 2 ways, for example, as 219899241 + 982320964 = 14829^2 + 31342^2 .

It is not a de Polignac number, because 1202220205 - 2³ = 1202220197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120222016 + ... + 120222025.

It is an arithmetic number, because the mean of its divisors is an integer number (360666063).

Almost surely, 2^1202220205 is an apocalyptic number.

It is an amenable number.

1202220205 is a deficient number, since it is larger than the sum of its proper divisors (240444047).

1202220205 is an equidigital number, since it uses as much as digits as its factorization.

1202220205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240444046.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1202220205 is about 34673.0472413372. The cubic root of 1202220205 is about 1063.3135320476.

Adding to 1202220205 its reverse (5020222021), we get a palindrome (6222442226).

The spelling of 1202220205 in words is "one billion, two hundred two million, two hundred twenty thousand, two hundred five".