120011020 has 12 divisors (see below), whose sum is σ = 252023184. Its totient is φ = 48004400.

The previous prime is 120011009. The next prime is 120011039. The reversal of 120011020 is 20110021.

It is a junction number, because it is equal to n+sod(n) for n = 120010994 and 120011012.

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 3 ways as a sum of consecutive naturals, for example, 3000256 + ... + 3000295.

It is an arithmetic number, because the mean of its divisors is an integer number (21001932).

Almost surely, 2^120011020 is an apocalyptic number.

120011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011020 is an abundant number, since it is smaller than the sum of its proper divisors (132012164).

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

120011020 is a wasteful number, since it uses less digits than its factorization.

120011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000560 (or 6000558 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 120011020 is about 10954.9541304380. The cubic root of 120011020 is about 493.2575131023.

Adding to 120011020 its reverse (20110021), we get a palindrome (140121041).

Subtracting from 120011020 its reverse (20110021), we obtain a palindrome (99900999).

The spelling of 120011020 in words is "one hundred twenty million, eleven thousand, twenty".