20212210424 has 16 divisors (see below), whose sum is σ = 43311879600. Its totient is φ = 8662375872.

The previous prime is 20212210423. The next prime is 20212210429. The reversal of 20212210424 is 42401221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212210396 and 20212210405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212210423) 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, 180466109 + ... + 180466220.

It is an arithmetic number, because the mean of its divisors is an integer number (2706992475).

Almost surely, 2^20212210424 is an apocalyptic number.

It is an amenable number.

20212210424 is an abundant number, since it is smaller than the sum of its proper divisors (23099669176).

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

20212210424 is a wasteful number, since it uses less digits than its factorization.

20212210424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360932342 (or 360932338 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20212210424 its reverse (42401221202), we get a palindrome (62613431626).

The spelling of 20212210424 in words is "twenty billion, two hundred twelve million, two hundred ten thousand, four hundred twenty-four".