20223435355 has 4 divisors (see below), whose sum is σ = 24268122432. Its totient is φ = 16178748280.

The previous prime is 20223435343. The next prime is 20223435371. The reversal of 20223435355 is 55353432202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55353432202 = 2 ⋅27676716101.

It is not a de Polignac number, because 20223435355 - 2²⁷ = 20089217627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20223435355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022343531 + ... + 2022343540.

It is an arithmetic number, because the mean of its divisors is an integer number (6067030608).

Almost surely, 2^20223435355 is an apocalyptic number.

20223435355 is a deficient number, since it is larger than the sum of its proper divisors (4044687077).

20223435355 is an equidigital number, since it uses as much as digits as its factorization.

20223435355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044687076.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 20223435355 its reverse (55353432202), we get a palindrome (75576867557).

The spelling of 20223435355 in words is "twenty billion, two hundred twenty-three million, four hundred thirty-five thousand, three hundred fifty-five".