1142320220404 has 24 divisors (see below), whose sum is σ = 2180886428448. Its totient is φ = 519214254240.

The previous prime is 1142320220401. The next prime is 1142320220417. The reversal of 1142320220404 is 4040220232411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142320220401) 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, 507999 + ... + 1594585.

It is an arithmetic number, because the mean of its divisors is an integer number (90870267852).

Almost surely, 2^{1142320220404} is an apocalyptic number.

It is an amenable number.

1142320220404 is a deficient number, since it is larger than the sum of its proper divisors (1038566208044).

1142320220404 is a wasteful number, since it uses less digits than its factorization.

1142320220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110495 (or 1110493 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1142320220404 its reverse (4040220232411), we get a palindrome (5182540452815).

The spelling of 1142320220404 in words is "one trillion, one hundred forty-two billion, three hundred twenty million, two hundred twenty thousand, four hundred four".