1220223000204 has 84 divisors (see below), whose sum is σ = 3447899401296. Its totient is φ = 375453219168.

The previous prime is 1220223000203. The next prime is 1220223000263. The reversal of 1220223000204 is 4020003220221.

It is a super-3 number, since 3×1220223000204³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1220223000203) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 16056624 + ... + 16132439.

It is an arithmetic number, because the mean of its divisors is an integer number (41046421444).

Almost surely, 2^{1220223000204} is an apocalyptic number.

It is an amenable number.

1220223000204 is an abundant number, since it is smaller than the sum of its proper divisors (2227676401092).

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

1220223000204 is a wasteful number, since it uses less digits than its factorization.

1220223000204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32189098 (or 32189081 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1220223000204 its reverse (4020003220221), we get a palindrome (5240226220425).

The spelling of 1220223000204 in words is "one trillion, two hundred twenty billion, two hundred twenty-three million, two hundred four", and thus it is an aban number.