120004820 has 48 divisors (see below), whose sum is σ = 276030720. Its totient is φ = 43552896.

The previous prime is 120004799. The next prime is 120004831. The reversal of 120004820 is 28400021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11429 + ... + 19251.

It is an arithmetic number, because the mean of its divisors is an integer number (5750640).

Almost surely, 2^120004820 is an apocalyptic number.

120004820 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 120004820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138015360).

120004820 is an abundant number, since it is smaller than the sum of its proper divisors (156025900).

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

120004820 is a wasteful number, since it uses less digits than its factorization.

120004820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7904 (or 7902 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 120004820 is about 10954.6711497881. The cubic root of 120004820 is about 493.2490187456.

Adding to 120004820 its reverse (28400021), we get a palindrome (148404841).

The spelling of 120004820 in words is "one hundred twenty million, four thousand, eight hundred twenty".