156020 has 24 divisors (see below), whose sum is σ = 340200. Its totient is φ = 60032.

The previous prime is 156019. The next prime is 156041. The reversal of 156020 is 20651.

156020 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 4 ways, for example, as 784 + 155236 = 28^2 + 394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155986 and 156004.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 156020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (14175).

2¹⁵⁶⁰²⁰ is an apocalyptic number.

156020 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 156020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170100).

156020 is an abundant number, since it is smaller than the sum of its proper divisors (184180).

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

156020 is a wasteful number, since it uses less digits than its factorization.

156020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 156020 is about 394.9936708354. The cubic root of 156020 is about 53.8344265408.

Adding to 156020 its reverse (20651), we get a palindrome (176671).

The spelling of 156020 in words is "one hundred fifty-six thousand, twenty".