628427020 has 24 divisors (see below), whose sum is σ = 1421212464. Its totient is φ = 232034496.

The previous prime is 628427017. The next prime is 628427029. The reversal of 628427020 is 20724826.

It is not an unprimeable number, because it can be changed into a prime (628427029) 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, 1208254 + ... + 1208773.

It is an arithmetic number, because the mean of its divisors is an integer number (59217186).

Almost surely, 2^628427020 is an apocalyptic number.

It is an amenable number.

628427020 is an abundant number, since it is smaller than the sum of its proper divisors (792785444).

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

628427020 is a wasteful number, since it uses less digits than its factorization.

628427020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417049 (or 2417047 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 628427020 is about 25068.4467009825. The cubic root of 628427020 is about 856.5478249318.

The spelling of 628427020 in words is "six hundred twenty-eight million, four hundred twenty-seven thousand, twenty".