1220344404230 has 32 divisors (see below), whose sum is σ = 2533884685056. Its totient is φ = 414493477344.

The previous prime is 1220344404221. The next prime is 1220344404241. The reversal of 1220344404230 is 324044430221.

It is a junction number, because it is equal to n+sod(n) for n = 1220344404193 and 1220344404202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81457424 + ... + 81472403.

It is an arithmetic number, because the mean of its divisors is an integer number (79183896408).

Almost surely, 2^{1220344404230} is an apocalyptic number.

1220344404230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220344404230 is an abundant number, since it is smaller than the sum of its proper divisors (1313540280826).

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

1220344404230 is a wasteful number, since it uses less digits than its factorization.

1220344404230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162929948.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1220344404230 its reverse (324044430221), we get a palindrome (1544388834451).

The spelling of 1220344404230 in words is "one trillion, two hundred twenty billion, three hundred forty-four million, four hundred four thousand, two hundred thirty".