202320120 has 64 divisors (see below), whose sum is σ = 610416000. Its totient is φ = 53644928.

The previous prime is 202320089. The next prime is 202320161. The reversal of 202320120 is 21023202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202320096 and 202320105.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 16771 + ... + 26189.

It is an arithmetic number, because the mean of its divisors is an integer number (9537750).

Almost surely, 2^202320120 is an apocalyptic number.

202320120 is a gapful number since it is divisible by the number (20) 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 202320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305208000).

202320120 is an abundant number, since it is smaller than the sum of its proper divisors (408095880).

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

202320120 is a wasteful number, since it uses less digits than its factorization.

202320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9612 (or 9608 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 202320120 is about 14223.9277276004. The cubic root of 202320120 is about 587.0562165435.

Adding to 202320120 its reverse (21023202), we get a palindrome (223343322).

The spelling of 202320120 in words is "two hundred two million, three hundred twenty thousand, one hundred twenty".