20122401424 has 40 divisors (see below), whose sum is σ = 41323312728. Its totient is φ = 9459548160.

The previous prime is 20122401367. The next prime is 20122401433. The reversal of 20122401424 is 42410422102.

It can be written as a sum of positive squares in 4 ways, for example, as 3656379024 + 16466022400 = 60468^2 + 128320^2 .

It is a super-2 number, since 2×20122401424² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20122401395 and 20122401404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227884 + ... + 303604.

Almost surely, 2^20122401424 is an apocalyptic number.

It is an amenable number.

20122401424 is an abundant number, since it is smaller than the sum of its proper divisors (21200911304).

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

20122401424 is a wasteful number, since it uses less digits than its factorization.

20122401424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76723 (or 76717 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20122401424 its reverse (42410422102), we get a palindrome (62532823526).

The spelling of 20122401424 in words is "twenty billion, one hundred twenty-two million, four hundred one thousand, four hundred twenty-four".