1020020223 has 16 divisors (see below), whose sum is σ = 1390089600. Its totient is φ = 665107680.

The previous prime is 1020020201. The next prime is 1020020231. The reversal of 1020020223 is 3220200201.

It is not a de Polignac number, because 1020020223 - 2⁶ = 1020020159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020020199 and 1020020208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020020923) 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 15 ways as a sum of consecutive naturals, for example, 17188 + ... + 48326.

It is an arithmetic number, because the mean of its divisors is an integer number (86880600).

Almost surely, 2^1020020223 is an apocalyptic number.

1020020223 is a deficient number, since it is larger than the sum of its proper divisors (370069377).

1020020223 is a wasteful number, since it uses less digits than its factorization.

1020020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31382.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1020020223 is about 31937.7554471193. The cubic root of 1020020223 is about 1006.6293621080.

Adding to 1020020223 its reverse (3220200201), we get a palindrome (4240220424).

The spelling of 1020020223 in words is "one billion, twenty million, twenty thousand, two hundred twenty-three".