3018809020 has 12 divisors (see below), whose sum is σ = 6339498984. Its totient is φ = 1207523600.

The previous prime is 3018809009. The next prime is 3018809029. The reversal of 3018809020 is 209088103.

It is a super-2 number, since 2×3018809020² = 18226415798466720800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3018809029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75470206 + ... + 75470245.

It is an arithmetic number, because the mean of its divisors is an integer number (528291582).

Almost surely, 2^3018809020 is an apocalyptic number.

It is an amenable number.

3018809020 is an abundant number, since it is smaller than the sum of its proper divisors (3320689964).

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

3018809020 is a wasteful number, since it uses less digits than its factorization.

3018809020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150940460 (or 150940458 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 3018809020 is about 54943.6895375620. The cubic root of 3018809020 is about 1445.2574374804.

The spelling of 3018809020 in words is "three billion, eighteen million, eight hundred nine thousand, twenty".