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BaseRepresentation
bin100111110011001100
322021121210
4213303030
520204040
63254420
71246164
oct476314
9267553
10163020
11101530
127a410
1359280
14435a4
1533480
hex27ccc

163020 has 96 divisors (see below), whose sum is σ = 564480. Its totient is φ = 34560.

The previous prime is 163019. The next prime is 163021. The reversal of 163020 is 20361.

It is an interprime number because it is at equal distance from previous prime (163019) and next prime (163021).

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

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 162987 and 163005.

It is not an unprimeable number, because it can be changed into a prime (163021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8571 + ... + 8589.

It is an arithmetic number, because the mean of its divisors is an integer number (5880).

2163020 is an apocalyptic number.

163020 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 163020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282240).

163020 is an abundant number, since it is smaller than the sum of its proper divisors (401460).

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

163020 is a wasteful number, since it uses less digits than its factorization.

163020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 163020 is about 403.7573528742. The cubic root of 163020 is about 54.6277897955.

Adding to 163020 its reverse (20361), we get a palindrome (183381).

The spelling of 163020 in words is "one hundred sixty-three thousand, twenty".