3545203020 has 96 divisors (see below), whose sum is σ = 10371049920. Its totient is φ = 903705600.

The previous prime is 3545203007. The next prime is 3545203021. The reversal of 3545203020 is 203025453.

It is not an unprimeable number, because it can be changed into a prime (3545203021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165654 + ... + 185826.

It is an arithmetic number, because the mean of its divisors is an integer number (108031770).

Almost surely, 2^3545203020 is an apocalyptic number.

3545203020 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 3545203020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5185524960).

3545203020 is an abundant number, since it is smaller than the sum of its proper divisors (6825846900).

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

3545203020 is a wasteful number, since it uses less digits than its factorization.

3545203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20315 (or 20313 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 3545203020 is about 59541.6074690632. The cubic root of 3545203020 is about 1524.8028798337.

Adding to 3545203020 its reverse (203025453), we get a palindrome (3748228473).

The spelling of 3545203020 in words is "three billion, five hundred forty-five million, two hundred three thousand, twenty".