1020025355 has 12 divisors (see below), whose sum is σ = 1291846032. Its totient is φ = 773070480.

The previous prime is 1020025339. The next prime is 1020025397. The reversal of 1020025355 is 5535200201.

1020025355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020025355 - 2⁴ = 1020025339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020025355.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280751 + ... + 284360.

It is an arithmetic number, because the mean of its divisors is an integer number (107653836).

Almost surely, 2^1020025355 is an apocalyptic number.

1020025355 is a deficient number, since it is larger than the sum of its proper divisors (271820677).

1020025355 is an equidigital number, since it uses as much as digits as its factorization.

1020025355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565154 (or 565135 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1020025355 is about 31937.8357907983. The cubic root of 1020025355 is about 1006.6310503141.

Adding to 1020025355 its reverse (5535200201), we get a palindrome (6555225556).

The spelling of 1020025355 in words is "one billion, twenty million, twenty-five thousand, three hundred fifty-five".