1020055033 has 4 divisors (see below), whose sum is σ = 1073742160. Its totient is φ = 966367908.

The previous prime is 1020055021. The next prime is 1020055051. The reversal of 1020055033 is 3305500201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3305500201 = 2819 ⋅1172579.

It is a cyclic number.

It is not a de Polignac number, because 1020055033 - 2⁹ = 1020054521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 53687107 = 1020055033 / (1 + 0 + 2 + 0 + 0 + 5 + 5 + 0 + 3 + 3).

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 1020055033.

It is not an unprimeable number, because it can be changed into a prime (1020055133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26843535 + ... + 26843572.

It is an arithmetic number, because the mean of its divisors is an integer number (268435540).

Almost surely, 2^1020055033 is an apocalyptic number.

It is an amenable number.

1020055033 is a deficient number, since it is larger than the sum of its proper divisors (53687127).

1020055033 is an equidigital number, since it uses as much as digits as its factorization.

1020055033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53687126.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1020055033 is about 31938.3004087569. The cubic root of 1020055033 is about 1006.6408129821.

Adding to 1020055033 its reverse (3305500201), we get a palindrome (4325555234).

The spelling of 1020055033 in words is "one billion, twenty million, fifty-five thousand, thirty-three".