20112214424 has 16 divisors (see below), whose sum is σ = 37712340600. Its totient is φ = 10055590272.

The previous prime is 20112214373. The next prime is 20112214427. The reversal of 20112214424 is 42441221102.

It is a self number, because there is not a number n which added to its sum of digits gives 20112214424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112214427) 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, 138167 + ... + 243545.

Almost surely, 2^20112214424 is an apocalyptic number.

It is an amenable number.

20112214424 is a deficient number, since it is larger than the sum of its proper divisors (17600126176).

20112214424 is a wasteful number, since it uses less digits than its factorization.

20112214424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129242 (or 129238 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20112214424 its reverse (42441221102), we get a palindrome (62553435526).

The spelling of 20112214424 in words is "twenty billion, one hundred twelve million, two hundred fourteen thousand, four hundred twenty-four".