1026208420 has 24 divisors (see below), whose sum is σ = 2182320000. Its totient is φ = 405286752.

The previous prime is 1026208399. The next prime is 1026208439. The reversal of 1026208420 is 248026201.

It is a happy number.

1026208420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323170 + ... + 326329.

It is an arithmetic number, because the mean of its divisors is an integer number (90930000).

Almost surely, 2^1026208420 is an apocalyptic number.

1026208420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026208420 is an abundant number, since it is smaller than the sum of its proper divisors (1156111580).

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

1026208420 is a wasteful number, since it uses less digits than its factorization.

1026208420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649587 (or 649585 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1026208420 is about 32034.4879778029. The cubic root of 1026208420 is about 1008.6609120468.

The spelling of 1026208420 in words is "one billion, twenty-six million, two hundred eight thousand, four hundred twenty".