1442113020 has 36 divisors (see below), whose sum is σ = 4374410040. Its totient is φ = 384563424.

The previous prime is 1442113019. The next prime is 1442113027. The reversal of 1442113020 is 203112441.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 1442112984 and 1442113002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442113027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4005690 + ... + 4006049.

It is an arithmetic number, because the mean of its divisors is an integer number (121511390).

Almost surely, 2^1442113020 is an apocalyptic number.

1442113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442113020 is an abundant number, since it is smaller than the sum of its proper divisors (2932297020).

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

1442113020 is a wasteful number, since it uses less digits than its factorization.

1442113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011754 (or 8011749 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1442113020 is about 37975.1631991227. The cubic root of 1442113020 is about 1129.7953058106.

Adding to 1442113020 its reverse (203112441), we get a palindrome (1645225461).

The spelling of 1442113020 in words is "one billion, four hundred forty-two million, one hundred thirteen thousand, twenty".