1502020 has 48 divisors (see below), whose sum is σ = 3492720. Its totient is φ = 539136.

The previous prime is 1501999. The next prime is 1502021. The reversal of 1502020 is 202051.

It can be written as a sum of positive squares in 8 ways, for example, as 3844 + 1498176 = 62^2 + 1224^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1501988 and 1502006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1502021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13726 + ... + 13834.

It is an arithmetic number, because the mean of its divisors is an integer number (72765).

2^1502020 is an apocalyptic number.

1502020 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 1502020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746360).

1502020 is an abundant number, since it is smaller than the sum of its proper divisors (1990700).

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

1502020 is a wasteful number, since it uses less digits than its factorization.

1502020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1502020 is about 1225.5692554891. The cubic root of 1502020 is about 114.5227861569.

Adding to 1502020 its reverse (202051), we get a palindrome (1704071).

The spelling of 1502020 in words is "one million, five hundred two thousand, twenty".