3562020 has 144 divisors (see below), whose sum is σ = 13523328. Its totient is φ = 737280.

The previous prime is 3562019. The next prime is 3562043. The reversal of 3562020 is 202653.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3561984 and 3562002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13732 + ... + 13988.

It is an arithmetic number, because the mean of its divisors is an integer number (93912).

Almost surely, 2^3562020 is an apocalyptic number.

3562020 is a gapful number since it is divisible by the number (30) 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 3562020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6761664).

3562020 is an abundant number, since it is smaller than the sum of its proper divisors (9961308).

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

3562020 is a wasteful number, since it uses less digits than its factorization.

3562020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3562020 is about 1887.3314494280. The cubic root of 3562020 is about 152.7210089422.

Adding to 3562020 its reverse (202653), we get a palindrome (3764673).

The spelling of 3562020 in words is "three million, five hundred sixty-two thousand, twenty".