1100020038 has 32 divisors (see below), whose sum is σ = 2371681536. Its totient is φ = 338123808.

The previous prime is 1100020021. The next prime is 1100020039. The reversal of 1100020038 is 8300200011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100019999 and 1100020026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100020039) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 76281 + ... + 89547.

It is an arithmetic number, because the mean of its divisors is an integer number (74115048).

Almost surely, 2^1100020038 is an apocalyptic number.

1100020038 is an abundant number, since it is smaller than the sum of its proper divisors (1271661498).

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

1100020038 is a wasteful number, since it uses less digits than its factorization.

1100020038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14348.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1100020038 is about 33166.5499863944. The cubic root of 1100020038 is about 1032.2863835483.

Adding to 1100020038 its reverse (8300200011), we get a palindrome (9400220049).

The spelling of 1100020038 in words is "one billion, one hundred million, twenty thousand, thirty-eight".