3541570020 has 96 divisors (see below), whose sum is σ = 11032761600. Its totient is φ = 943172352.

The previous prime is 3541570009. The next prime is 3541570027. The reversal of 3541570020 is 200751453.

It is a happy number.

3541570020 is a `hidden beast` number, since 35 + 41 + 570 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3541570027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449152 + ... + 456968.

It is an arithmetic number, because the mean of its divisors is an integer number (114924600).

Almost surely, 2^3541570020 is an apocalyptic number.

3541570020 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 3541570020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5516380800).

3541570020 is an abundant number, since it is smaller than the sum of its proper divisors (7491191580).

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

3541570020 is a wasteful number, since it uses less digits than its factorization.

3541570020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8674 (or 8666 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 3541570020 is about 59511.0915712357. The cubic root of 3541570020 is about 1524.2818469361.

The spelling of 3541570020 in words is "three billion, five hundred forty-one million, five hundred seventy thousand, twenty".