3311020020 has 96 divisors (see below), whose sum is σ = 11558486016. Its totient is φ = 688003200.

The previous prime is 3311020001. The next prime is 3311020021. The reversal of 3311020020 is 200201133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3311019978 and 3311020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353716 + ... + 362955.

It is an arithmetic number, because the mean of its divisors is an integer number (120400896).

Almost surely, 2^3311020020 is an apocalyptic number.

3311020020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3311020020 is an abundant number, since it is smaller than the sum of its proper divisors (8247465996).

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

3311020020 is a wasteful number, since it uses less digits than its factorization.

3311020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716701 (or 716699 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3311020020 is about 57541.4634850383. The cubic root of 3311020020 is about 1490.4609507284.

Adding to 3311020020 its reverse (200201133), we get a palindrome (3511221153).

The spelling of 3311020020 in words is "three billion, three hundred eleven million, twenty thousand, twenty".