1020533255 has 16 divisors (see below), whose sum is σ = 1433726784. Its totient is φ = 682725120.

The previous prime is 1020533221. The next prime is 1020533279. The reversal of 1020533255 is 5523350201.

It is not a de Polignac number, because 1020533255 - 2⁶ = 1020533191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354152 + ... + 357021.

It is an arithmetic number, because the mean of its divisors is an integer number (89607924).

Almost surely, 2^1020533255 is an apocalyptic number.

1020533255 is a deficient number, since it is larger than the sum of its proper divisors (413193529).

1020533255 is an equidigital number, since it uses as much as digits as its factorization.

1020533255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711226.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1020533255 is about 31945.7861853485. The cubic root of 1020533255 is about 1006.7980994543.

Adding to 1020533255 its reverse (5523350201), we get a palindrome (6543883456).

The spelling of 1020533255 in words is "one billion, twenty million, five hundred thirty-three thousand, two hundred fifty-five".