20201043424 has 48 divisors (see below), whose sum is σ = 42583514400. Its totient is φ = 9399537664.

The previous prime is 20201043397. The next prime is 20201043427. The reversal of 20201043424 is 42434010202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20201043395 and 20201043404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201043427) 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, 160204 + ... + 257035.

It is an arithmetic number, because the mean of its divisors is an integer number (887156550).

Almost surely, 2^20201043424 is an apocalyptic number.

It is an amenable number.

20201043424 is an abundant number, since it is smaller than the sum of its proper divisors (22382470976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201043424 is a wasteful number, since it uses less digits than its factorization.

20201043424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417355 (or 417347 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20201043424 its reverse (42434010202), we get a palindrome (62635053626).

The spelling of 20201043424 in words is "twenty billion, two hundred one million, forty-three thousand, four hundred twenty-four".