428862020 has 24 divisors (see below), whose sum is σ = 904587264. Its totient is φ = 170787296.

The previous prime is 428862013. The next prime is 428862023. The reversal of 428862020 is 20268824.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (428862023) 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, 42692 + ... + 51771.

It is an arithmetic number, because the mean of its divisors is an integer number (37691136).

Almost surely, 2^428862020 is an apocalyptic number.

It is an amenable number.

428862020 is an abundant number, since it is smaller than the sum of its proper divisors (475725244).

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

428862020 is a wasteful number, since it uses less digits than its factorization.

428862020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94699 (or 94697 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 428862020 is about 20708.9840407491. The cubic root of 428862020 is about 754.1178064795.

The spelling of 428862020 in words is "four hundred twenty-eight million, eight hundred sixty-two thousand, twenty".