1202220220 has 12 divisors (see below), whose sum is σ = 2524662504. Its totient is φ = 480888080.

The previous prime is 1202220199. The next prime is 1202220247. The reversal of 1202220220 is 220222021.

It is a self number, because there is not a number n which added to its sum of digits gives 1202220220.

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, 30055486 + ... + 30055525.

It is an arithmetic number, because the mean of its divisors is an integer number (210388542).

Almost surely, 2^1202220220 is an apocalyptic number.

1202220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202220220 is an abundant number, since it is smaller than the sum of its proper divisors (1322442284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202220220 is a wasteful number, since it uses less digits than its factorization.

1202220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60111020 (or 60111018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1202220220 is about 34673.0474576435. The cubic root of 1202220220 is about 1063.3135364699.

Adding to 1202220220 its reverse (220222021), we get a palindrome (1422442241).

The spelling of 1202220220 in words is "one billion, two hundred two million, two hundred twenty thousand, two hundred twenty".