20233211353 has 4 divisors (see below), whose sum is σ = 20357341648. Its totient is φ = 20109081060.

The previous prime is 20233211303. The next prime is 20233211407. The reversal of 20233211353 is 35311233202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20233211353 - 2¹³ = 20233203161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20233211303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62064903 + ... + 62065228.

It is an arithmetic number, because the mean of its divisors is an integer number (5089335412).

Almost surely, 2^20233211353 is an apocalyptic number.

It is an amenable number.

20233211353 is a deficient number, since it is larger than the sum of its proper divisors (124130295).

20233211353 is a wasteful number, since it uses less digits than its factorization.

20233211353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124130294.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 20233211353 its reverse (35311233202), we get a palindrome (55544444555).

The spelling of 20233211353 in words is "twenty billion, two hundred thirty-three million, two hundred eleven thousand, three hundred fifty-three".