20212424013 has 8 divisors (see below), whose sum is σ = 27201767328. Its totient is φ = 13349015024.

The previous prime is 20212423969. The next prime is 20212424021. The reversal of 20212424013 is 31042421202.

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 20212424013 - 2¹² = 20212419917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212424053) 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, 31483206 + ... + 31483847.

It is an arithmetic number, because the mean of its divisors is an integer number (3400220916).

Almost surely, 2^20212424013 is an apocalyptic number.

It is an amenable number.

20212424013 is a deficient number, since it is larger than the sum of its proper divisors (6989343315).

20212424013 is a wasteful number, since it uses less digits than its factorization.

20212424013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62967163.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20212424013 its reverse (31042421202), we get a palindrome (51254845215).

The spelling of 20212424013 in words is "twenty billion, two hundred twelve million, four hundred twenty-four thousand, thirteen".