1220202220210 has 16 divisors (see below), whose sum is σ = 2196807705792. Its totient is φ = 487982286000.

The previous prime is 1220202220199. The next prime is 1220202220219. The reversal of 1220202220210 is 120222020221.

It is not an unprimeable number, because it can be changed into a prime (1220202220219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12273276 + ... + 12372295.

It is an arithmetic number, because the mean of its divisors is an integer number (137300481612).

Almost surely, 2^{1220202220210} is an apocalyptic number.

1220202220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220202220210 is a deficient number, since it is larger than the sum of its proper divisors (976605485582).

1220202220210 is a wasteful number, since it uses less digits than its factorization.

1220202220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24650529.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1220202220210 its reverse (120222020221), we get a palindrome (1340424240431).

The spelling of 1220202220210 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred twenty thousand, two hundred ten".