2202020423 has 4 divisors (see below), whose sum is σ = 2203639728. Its totient is φ = 2200401120.

The previous prime is 2202020369. The next prime is 2202020441. The reversal of 2202020423 is 3240202022.

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 2202020423 - 2²⁸ = 1933584967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202020123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807611 + ... + 810332.

It is an arithmetic number, because the mean of its divisors is an integer number (550909932).

Almost surely, 2^2202020423 is an apocalyptic number.

2202020423 is a deficient number, since it is larger than the sum of its proper divisors (1619305).

2202020423 is a wasteful number, since it uses less digits than its factorization.

2202020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619304.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2202020423 is about 46925.6904371156. The cubic root of 2202020423 is about 1300.9894681946.

Adding to 2202020423 its reverse (3240202022), we get a palindrome (5442222445).

The spelling of 2202020423 in words is "two billion, two hundred two million, twenty thousand, four hundred twenty-three".