1020110120 has 16 divisors (see below), whose sum is σ = 2295247860. Its totient is φ = 408044032.

The previous prime is 1020110111. The next prime is 1020110123. The reversal of 1020110120 is 210110201.

1020110120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 934769476 + 85340644 = 30574^2 + 9238^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 1020110098 and 1020110107.

It is not an unprimeable number, because it can be changed into a prime (1020110123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12751337 + ... + 12751416.

Almost surely, 2^1020110120 is an apocalyptic number.

1020110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020110120 is an abundant number, since it is smaller than the sum of its proper divisors (1275137740).

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

1020110120 is a wasteful number, since it uses less digits than its factorization.

1020110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25502764 (or 25502760 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1020110120 is about 31939.1627942875. The cubic root of 1020110120 is about 1006.6589335156.

Adding to 1020110120 its reverse (210110201), we get a palindrome (1230220321).

The spelling of 1020110120 in words is "one billion, twenty million, one hundred ten thousand, one hundred twenty".