1020223321 has 16 divisors (see below), whose sum is σ = 1113634368. Its totient is φ = 929016000.

The previous prime is 1020223307. The next prime is 1020223327. The reversal of 1020223321 is 1233220201.

It is a cyclic number.

It is not a de Polignac number, because 1020223321 - 2²⁵ = 986668889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020223295 and 1020223304.

It is not an unprimeable number, because it can be changed into a prime (1020223327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401826 + ... + 404356.

It is an arithmetic number, because the mean of its divisors is an integer number (69602148).

Almost surely, 2^1020223321 is an apocalyptic number.

It is an amenable number.

1020223321 is a deficient number, since it is larger than the sum of its proper divisors (93411047).

1020223321 is a wasteful number, since it uses less digits than its factorization.

1020223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1020223321 is about 31940.9348798685. The cubic root of 1020223321 is about 1006.6961682484.

Adding to 1020223321 its reverse (1233220201), we get a palindrome (2253443522).

The spelling of 1020223321 in words is "one billion, twenty million, two hundred twenty-three thousand, three hundred twenty-one".