305401002020 has 96 divisors (see below), whose sum is σ = 659106201600. Its totient is φ = 118811894144.

The previous prime is 305401001999. The next prime is 305401002041. The reversal of 305401002020 is 20200104503.

It is an interprime number because it is at equal distance from previous prime (305401001999) and next prime (305401002041).

It is a self number, because there is not a number n which added to its sum of digits gives 305401002020.

It is an unprimeable number.

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, 118417091 + ... + 118419669.

It is an arithmetic number, because the mean of its divisors is an integer number (6865689600).

Almost surely, 2^305401002020 is an apocalyptic number.

It is an amenable number.

305401002020 is an abundant number, since it is smaller than the sum of its proper divisors (353705199580).

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

305401002020 is a wasteful number, since it uses less digits than its factorization.

305401002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377 (or 3375 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 305401002020 its reverse (20200104503), we get a palindrome (325601106523).

The spelling of 305401002020 in words is "three hundred five billion, four hundred one million, two thousand, twenty".