3020020311 has 16 divisors (see below), whose sum is σ = 5020293888. Its totient is φ = 1568841600.

The previous prime is 3020020307. The next prime is 3020020331. The reversal of 3020020311 is 1130200203.

It is a happy number.

It is not a de Polignac number, because 3020020311 - 2² = 3020020307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020020331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6536610 + ... + 6537071.

It is an arithmetic number, because the mean of its divisors is an integer number (313768368).

Almost surely, 2^3020020311 is an apocalyptic number.

3020020311 is a deficient number, since it is larger than the sum of its proper divisors (2000273577).

3020020311 is a wasteful number, since it uses less digits than its factorization.

3020020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13073702.

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

The square root of 3020020311 is about 54954.7114540692. The cubic root of 3020020311 is about 1445.4507138378.

Adding to 3020020311 its reverse (1130200203), we get a palindrome (4150220514).

It can be divided in two parts, 30200203 and 11, that multiplied together give a palindrome (332202233).

The spelling of 3020020311 in words is "three billion, twenty million, twenty thousand, three hundred eleven".