1100020406 has 32 divisors (see below), whose sum is σ = 1736598528. Its totient is φ = 522063360.

The previous prime is 1100020357. The next prime is 1100020417. The reversal of 1100020406 is 6040200011.

It is a super-3 number, since 3×1100020406³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550946 + ... + 552938.

It is an arithmetic number, because the mean of its divisors is an integer number (54268704).

Almost surely, 2^1100020406 is an apocalyptic number.

1100020406 is a deficient number, since it is larger than the sum of its proper divisors (636578122).

1100020406 is a wasteful number, since it uses less digits than its factorization.

1100020406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1100020406 is about 33166.5555341522. Note that the first 4 decimals coincide. The cubic root of 1100020406 is about 1032.2864986618.

Adding to 1100020406 its reverse (6040200011), we get a palindrome (7140220417).

The spelling of 1100020406 in words is "one billion, one hundred million, twenty thousand, four hundred six".