1002020220223 has 16 divisors (see below), whose sum is σ = 1152142509600. Its totient is φ = 862921521280.

The previous prime is 1002020220221. The next prime is 1002020220277. The reversal of 1002020220223 is 3220220202001.

It is a cyclic number.

It is not a de Polignac number, because 1002020220223 - 2¹ = 1002020220221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002020220197 and 1002020220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002020220221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29616388 + ... + 29650201.

It is an arithmetic number, because the mean of its divisors is an integer number (72008906850).

Almost surely, 2^{1002020220223} is an apocalyptic number.

1002020220223 is a deficient number, since it is larger than the sum of its proper divisors (150122289377).

1002020220223 is a wasteful number, since it uses less digits than its factorization.

1002020220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59266682.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 1002020220223 its reverse (3220220202001), we get a palindrome (4222240422224).

The spelling of 1002020220223 in words is "one trillion, two billion, twenty million, two hundred twenty thousand, two hundred twenty-three".