20233033421 has 8 divisors (see below), whose sum is σ = 20481340320. Its totient is φ = 19984834672.

The previous prime is 20233033411. The next prime is 20233033439. The reversal of 20233033421 is 12433033202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20233033421 - 2¹⁴ = 20233017037 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 (20233033411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388250 + ... + 437268.

It is an arithmetic number, because the mean of its divisors is an integer number (2560167540).

Almost surely, 2^20233033421 is an apocalyptic number.

It is an amenable number.

20233033421 is a deficient number, since it is larger than the sum of its proper divisors (248306899).

20233033421 is an equidigital number, since it uses as much as digits as its factorization.

20233033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54075.

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

Adding to 20233033421 its reverse (12433033202), we get a palindrome (32666066623).

The spelling of 20233033421 in words is "twenty billion, two hundred thirty-three million, thirty-three thousand, four hundred twenty-one".