2002220023 has 4 divisors (see below), whose sum is σ = 2002447288. Its totient is φ = 2001992760.

The previous prime is 2002219991. The next prime is 2002220029. The reversal of 2002220023 is 3200222002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002220023 - 2⁵ = 2002219991 is a prime.

It is a super-3 number, since 3×2002220023³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002219985 and 2002220012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002220029) 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 3 ways as a sum of consecutive naturals, for example, 99861 + ... + 118222.

It is an arithmetic number, because the mean of its divisors is an integer number (500611822).

Almost surely, 2^2002220023 is an apocalyptic number.

2002220023 is a deficient number, since it is larger than the sum of its proper divisors (227265).

2002220023 is an equidigital number, since it uses as much as digits as its factorization.

2002220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227264.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2002220023 is about 44746.1732777229. The cubic root of 2002220023 is about 1260.3870531326.

Adding to 2002220023 its reverse (3200222002), we get a palindrome (5202442025).

It can be divided in two parts, 200222002 and 3, that multiplied together give a palindrome (600666006).

The spelling of 2002220023 in words is "two billion, two million, two hundred twenty thousand, twenty-three".