3305502020 has 48 divisors (see below), whose sum is σ = 7110246528. Its totient is φ = 1290132480.

The previous prime is 3305502001. The next prime is 3305502023. The reversal of 3305502020 is 202055033.

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 = 3305501983 and 3305502001.

It is not an unprimeable number, because it can be changed into a prime (3305502023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587380 + ... + 1589460.

It is an arithmetic number, because the mean of its divisors is an integer number (148130136).

Almost surely, 2^3305502020 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 3305502020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3555123264).

3305502020 is an abundant number, since it is smaller than the sum of its proper divisors (3804744508).

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

3305502020 is a wasteful number, since it uses less digits than its factorization.

3305502020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3978 counting only the distinct ones).

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

The square root of 3305502020 is about 57493.4954581820. The cubic root of 3305502020 is about 1489.6325115064.

Adding to 3305502020 its reverse (202055033), we get a palindrome (3507557053).

The spelling of 3305502020 in words is "three billion, three hundred five million, five hundred two thousand, twenty".