20233213403 has 16 divisors (see below), whose sum is σ = 22165248000. Its totient is φ = 18355351680.

The previous prime is 20233213397. The next prime is 20233213417. The reversal of 20233213403 is 30431233202.

It is a cyclic number.

It is not a de Polignac number, because 20233213403 - 2⁴ = 20233213387 is a prime.

It is a super-2 number, since 2×20233213403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20233213463) 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, 1004273 + ... + 1024221.

It is an arithmetic number, because the mean of its divisors is an integer number (1385328000).

Almost surely, 2^20233213403 is an apocalyptic number.

20233213403 is a deficient number, since it is larger than the sum of its proper divisors (1932034597).

20233213403 is a wasteful number, since it uses less digits than its factorization.

20233213403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21302.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20233213403 its reverse (30431233202), we get a palindrome (50664446605).

The spelling of 20233213403 in words is "twenty billion, two hundred thirty-three million, two hundred thirteen thousand, four hundred three".