305077020 has 24 divisors (see below), whose sum is σ = 854215824. Its totient is φ = 81353856.

The previous prime is 305077007. The next prime is 305077021. The reversal of 305077020 is 20770503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305077021) 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, 2542249 + ... + 2542368.

It is an arithmetic number, because the mean of its divisors is an integer number (35592326).

Almost surely, 2^305077020 is an apocalyptic number.

305077020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305077020 is an abundant number, since it is smaller than the sum of its proper divisors (549138804).

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

305077020 is a wasteful number, since it uses less digits than its factorization.

305077020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084629 (or 5084627 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 305077020 is about 17466.4541335670. The cubic root of 305077020 is about 673.1882057140.

The spelling of 305077020 in words is "three hundred five million, seventy-seven thousand, twenty".