3546660020 has 36 divisors (see below), whose sum is σ = 7911887340. Its totient is φ = 1335211008.

The previous prime is 3546659999. The next prime is 3546660083. The reversal of 3546660020 is 200666453.

It can be written as a sum of positive squares in 6 ways, for example, as 19963024 + 3526696996 = 4468^2 + 59386^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301025 + ... + 312584.

Almost surely, 2^3546660020 is an apocalyptic number.

It is an amenable number.

3546660020 is an abundant number, since it is smaller than the sum of its proper divisors (4365227320).

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

3546660020 is a wasteful number, since it uses less digits than its factorization.

3546660020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613652 (or 613633 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3546660020 is about 59553.8413538539. The cubic root of 3546660020 is about 1525.0117379729.

The spelling of 3546660020 in words is "three billion, five hundred forty-six million, six hundred sixty thousand, twenty".