3385520020 has 24 divisors (see below), whose sum is σ = 7121606184. Its totient is φ = 1351919616.

The previous prime is 3385520011. The next prime is 3385520023. The reversal of 3385520020 is 200255833.

It can be written as a sum of positive squares in 4 ways, for example, as 711182224 + 2674337796 = 26668^2 + 51714^2 .

It is a super-2 number, since 2×3385520020² = 22923491611641600800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3385520023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130869 + ... + 154588.

It is an arithmetic number, because the mean of its divisors is an integer number (296733591).

Almost surely, 2^3385520020 is an apocalyptic number.

It is an amenable number.

3385520020 is an abundant number, since it is smaller than the sum of its proper divisors (3736086164).

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

3385520020 is a wasteful number, since it uses less digits than its factorization.

3385520020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286059 (or 286057 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3385520020 is about 58185.2216632368. The cubic root of 3385520020 is about 1501.5569049537.

Adding to 3385520020 its reverse (200255833), we get a palindrome (3585775853).

The spelling of 3385520020 in words is "three billion, three hundred eighty-five million, five hundred twenty thousand, twenty".