1100020042 has 16 divisors (see below), whose sum is σ = 1801033632. Its totient is φ = 499731120.

The previous prime is 1100020039. The next prime is 1100020063. The reversal of 1100020042 is 2400200011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29593 + ... + 55459.

It is an arithmetic number, because the mean of its divisors is an integer number (112564602).

Almost surely, 2^1100020042 is an apocalyptic number.

1100020042 is a deficient number, since it is larger than the sum of its proper divisors (701013590).

1100020042 is a wasteful number, since it uses less digits than its factorization.

1100020042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27813.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1100020042 is about 33166.5500466961. The cubic root of 1100020042 is about 1032.2863847995.

Adding to 1100020042 its reverse (2400200011), we get a palindrome (3500220053).

The spelling of 1100020042 in words is "one billion, one hundred million, twenty thousand, forty-two".