1020110205 has 16 divisors (see below), whose sum is σ = 1632695040. Its totient is φ = 543885888.

The previous prime is 1020110183. The next prime is 1020110207. The reversal of 1020110205 is 5020110201.

It is not a de Polignac number, because 1020110205 - 2¹⁵ = 1020077437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020110207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48451 + ... + 66239.

It is an arithmetic number, because the mean of its divisors is an integer number (102043440).

Almost surely, 2^1020110205 is an apocalyptic number.

1020110205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020110205 is a deficient number, since it is larger than the sum of its proper divisors (612584835).

1020110205 is a wasteful number, since it uses less digits than its factorization.

1020110205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21620.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1020110205 is about 31939.1641249423. The cubic root of 1020110205 is about 1006.6589614754.

Adding to 1020110205 its reverse (5020110201), we get a palindrome (6040220406).

The spelling of 1020110205 in words is "one billion, twenty million, one hundred ten thousand, two hundred five".