3105204002020 has 24 divisors (see below), whose sum is σ = 6864135163200. Its totient is φ = 1176708884832.

The previous prime is 3105204001937. The next prime is 3105204002041. The reversal of 3105204002020 is 202004025013.

It is a super-2 number, since 2×3105204002020² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4085794360 + ... + 4085795119.

It is an arithmetic number, because the mean of its divisors is an integer number (286005631800).

Almost surely, 2^{3105204002020} is an apocalyptic number.

It is an amenable number.

3105204002020 is an abundant number, since it is smaller than the sum of its proper divisors (3758931161180).

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

3105204002020 is a wasteful number, since it uses less digits than its factorization.

3105204002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171589507 (or 8171589505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 3105204002020 its reverse (202004025013), we get a palindrome (3307208027033).

The spelling of 3105204002020 in words is "three trillion, one hundred five billion, two hundred four million, two thousand, twenty".