1220213220204 has 24 divisors (see below), whose sum is σ = 3105997288128. Its totient is φ = 369761581840.

The previous prime is 1220213220167. The next prime is 1220213220229. The reversal of 1220213220204 is 4020223120221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4622019642 + ... + 4622019905.

It is an arithmetic number, because the mean of its divisors is an integer number (129416553672).

Almost surely, 2^{1220213220204} is an apocalyptic number.

It is an amenable number.

1220213220204 is an abundant number, since it is smaller than the sum of its proper divisors (1885784067924).

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

1220213220204 is a wasteful number, since it uses less digits than its factorization.

1220213220204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9244039565 (or 9244039563 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1220213220204 its reverse (4020223120221), we get a palindrome (5240436340425).

The spelling of 1220213220204 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, two hundred twenty thousand, two hundred four".