3145335020 has 48 divisors (see below), whose sum is σ = 6825197568. Its totient is φ = 1216313280.

The previous prime is 3145335007. The next prime is 3145335047. The reversal of 3145335020 is 205335413.

3145335020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820829 + ... + 824651.

It is an arithmetic number, because the mean of its divisors is an integer number (142191616).

Almost surely, 2^3145335020 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 3145335020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3412598784).

3145335020 is an abundant number, since it is smaller than the sum of its proper divisors (3679862548).

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

3145335020 is a wasteful number, since it uses less digits than its factorization.

3145335020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190 (or 5188 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3145335020 is about 56083.2864586233. The cubic root of 3145335020 is about 1465.1732131428.

The spelling of 3145335020 in words is "three billion, one hundred forty-five million, three hundred thirty-five thousand, twenty".