307628320620 has 24 divisors (see below), whose sum is σ = 861359297904. Its totient is φ = 82034218816.

The previous prime is 307628320619. The next prime is 307628320627. The reversal of 307628320620 is 26023826703.

It is not an unprimeable number, because it can be changed into a prime (307628320627) 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, 2563569279 + ... + 2563569398.

It is an arithmetic number, because the mean of its divisors is an integer number (35889970746).

Almost surely, 2^307628320620 is an apocalyptic number.

307628320620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

307628320620 is an abundant number, since it is smaller than the sum of its proper divisors (553730977284).

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

307628320620 is a wasteful number, since it uses less digits than its factorization.

307628320620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127138689 (or 5127138687 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

It can be divided in two parts, 3076283 and 20620, that added together give a palindrome (3096903).

The spelling of 307628320620 in words is "three hundred seven billion, six hundred twenty-eight million, three hundred twenty thousand, six hundred twenty".