162220120 has 64 divisors (see below), whose sum is σ = 388800000. Its totient is φ = 60702720.

The previous prime is 162220111. The next prime is 162220133. The reversal of 162220120 is 21022261.

It is a junction number, because it is equal to n+sod(n) for n = 162220094 and 162220103.

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, 129256 + ... + 130504.

It is an arithmetic number, because the mean of its divisors is an integer number (6075000).

Almost surely, 2^162220120 is an apocalyptic number.

162220120 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 162220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194400000).

162220120 is an abundant number, since it is smaller than the sum of its proper divisors (226579880).

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

162220120 is a wasteful number, since it uses less digits than its factorization.

162220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 162220120 is about 12736.5662562560. The cubic root of 162220120 is about 545.3829701705.

Adding to 162220120 its reverse (21022261), we get a palindrome (183242381).

The spelling of 162220120 in words is "one hundred sixty-two million, two hundred twenty thousand, one hundred twenty".