3535002020 has 96 divisors (see below), whose sum is σ = 8535373056. Its totient is φ = 1217216000.

The previous prime is 3535002017. The next prime is 3535002047. The reversal of 3535002020 is 202005353.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3535001983 and 3535002001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507602 + ... + 514518.

It is an arithmetic number, because the mean of its divisors is an integer number (88910136).

Almost surely, 2^3535002020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3535002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4267686528).

3535002020 is an abundant number, since it is smaller than the sum of its proper divisors (5000371036).

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

3535002020 is a wasteful number, since it uses less digits than its factorization.

3535002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061 (or 7059 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 3535002020 is about 59455.8829721669. The cubic root of 3535002020 is about 1523.3389808802.

Adding to 3535002020 its reverse (202005353), we get a palindrome (3737007373).

The spelling of 3535002020 in words is "three billion, five hundred thirty-five million, two thousand, twenty".