1302020 has 12 divisors (see below), whose sum is σ = 2734284. Its totient is φ = 520800.

The previous prime is 1302019. The next prime is 1302029. The reversal of 1302020 is 202031.

It can be written as a sum of positive squares in 2 ways, for example, as 806404 + 495616 = 898^2 + 704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1301989 and 1302007.

It is not an unprimeable number, because it can be changed into a prime (1302029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32531 + ... + 32570.

It is an arithmetic number, because the mean of its divisors is an integer number (227857).

2^1302020 is an apocalyptic number.

1302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302020 is an abundant number, since it is smaller than the sum of its proper divisors (1432264).

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

1302020 is a wasteful number, since it uses less digits than its factorization.

1302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65110 (or 65108 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1302020 is about 1141.0609098554. The cubic root of 1302020 is about 109.1957876069.

Adding to 1302020 its reverse (202031), we get a palindrome (1504051).

The spelling of 1302020 in words is "one million, three hundred two thousand, twenty".