1020223533 has 32 divisors (see below), whose sum is σ = 1690585344. Its totient is φ = 533855232.

The previous prime is 1020223517. The next prime is 1020223573. The reversal of 1020223533 is 3353220201.

It is not a de Polignac number, because 1020223533 - 2⁴ = 1020223517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020223573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25410 + ... + 51827.

It is an arithmetic number, because the mean of its divisors is an integer number (52830792).

Almost surely, 2^1020223533 is an apocalyptic number.

It is an amenable number.

1020223533 is a deficient number, since it is larger than the sum of its proper divisors (670361811).

1020223533 is a wasteful number, since it uses less digits than its factorization.

1020223533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77301.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1020223533 is about 31940.9381984938. The cubic root of 1020223533 is about 1006.6962379781.

Adding to 1020223533 its reverse (3353220201), we get a palindrome (4373443734).

The spelling of 1020223533 in words is "one billion, twenty million, two hundred twenty-three thousand, five hundred thirty-three".