120283020 has 144 divisors (see below), whose sum is σ = 428736672. Its totient is φ = 26910720.

The previous prime is 120283013. The next prime is 120283027. The reversal of 120283020 is 20382021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120283013) and next prime (120283027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120282984 and 120283002.

It is not an unprimeable number, because it can be changed into a prime (120283027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23404 + ... + 28076.

It is an arithmetic number, because the mean of its divisors is an integer number (2977338).

Almost surely, 2^120283020 is an apocalyptic number.

120283020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120283020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214368336).

120283020 is an abundant number, since it is smaller than the sum of its proper divisors (308453652).

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

120283020 is a wasteful number, since it uses less digits than its factorization.

120283020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712 (or 4707 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 120283020 is about 10967.3615787937. The cubic root of 120283020 is about 493.6298811576.

Subtracting from 120283020 its reverse (20382021), we obtain a palindrome (99900999).

The spelling of 120283020 in words is "one hundred twenty million, two hundred eighty-three thousand, twenty".