120201020 has 12 divisors (see below), whose sum is σ = 252422184. Its totient is φ = 48080400.

The previous prime is 120201019. The next prime is 120201023. The reversal of 120201020 is 20102021.

It is a junction number, because it is equal to n+sod(n) for n = 120200989 and 120201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201023) 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, 3005006 + ... + 3005045.

It is an arithmetic number, because the mean of its divisors is an integer number (21035182).

Almost surely, 2^120201020 is an apocalyptic number.

120201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201020 is an abundant number, since it is smaller than the sum of its proper divisors (132221164).

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

120201020 is a wasteful number, since it uses less digits than its factorization.

120201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010060 (or 6010058 counting only the distinct ones).

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

The square root of 120201020 is about 10963.6225765027. The cubic root of 120201020 is about 493.5176823010.

Adding to 120201020 its reverse (20102021), we get a palindrome (140303041).

The spelling of 120201020 in words is "one hundred twenty million, two hundred one thousand, twenty".