20421033014 has 8 divisors (see below), whose sum is σ = 30632161728. Its totient is φ = 10210312440.

The previous prime is 20421032959. The next prime is 20421033019. The reversal of 20421033014 is 41033012402.

20421033014 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20421033019) 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, 117659 + ... + 233849.

It is an arithmetic number, because the mean of its divisors is an integer number (3829020216).

Almost surely, 2^20421033014 is an apocalyptic number.

20421033014 is a deficient number, since it is larger than the sum of its proper divisors (10211128714).

20421033014 is a wasteful number, since it uses less digits than its factorization.

20421033014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204070.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20421033014 its reverse (41033012402), we get a palindrome (61454045416).

The spelling of 20421033014 in words is "twenty billion, four hundred twenty-one million, thirty-three thousand, fourteen".