60820 has 12 divisors (see below), whose sum is σ = 127764. Its totient is φ = 24320.

The previous prime is 60811. The next prime is 60821. The reversal of 60820 is 2806.

It can be written as a sum of positive squares in 2 ways, for example, as 44944 + 15876 = 212^2 + 126^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 60794 and 60803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60821) by changing a digit.

60820 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501 + ... + 1540.

It is an arithmetic number, because the mean of its divisors is an integer number (10647).

2⁶⁰⁸²⁰ is an apocalyptic number.

It is an amenable number.

60820 is an abundant number, since it is smaller than the sum of its proper divisors (66944).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63882).

60820 is a wasteful number, since it uses less digits than its factorization.

60820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050 (or 3048 counting only the distinct ones).

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

The square root of 60820 is about 246.6171121394. The cubic root of 60820 is about 39.3262140391.

The spelling of 60820 in words is "sixty thousand, eight hundred twenty".