1220303545304 has 8 divisors (see below), whose sum is σ = 2288069147460. Its totient is φ = 610151772648.

The previous prime is 1220303545301. The next prime is 1220303545327. The reversal of 1220303545304 is 4035453030221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220303545301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76268971574 + ... + 76268971589.

Almost surely, 2^{1220303545304} is an apocalyptic number.

It is an amenable number.

1220303545304 is a deficient number, since it is larger than the sum of its proper divisors (1067765602156).

1220303545304 is a wasteful number, since it uses less digits than its factorization.

1220303545304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152537943169 (or 152537943165 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 1220303545304 its reverse (4035453030221), we get a palindrome (5255756575525).

The spelling of 1220303545304 in words is "one trillion, two hundred twenty billion, three hundred three million, five hundred forty-five thousand, three hundred four".