20122004424 has 32 divisors (see below), whose sum is σ = 50349636000. Its totient is φ = 6701384832.

The previous prime is 20122004407. The next prime is 20122004437. The reversal of 20122004424 is 42440022102.

It is a self number, because there is not a number n which added to its sum of digits gives 20122004424.

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, 344214 + ... + 398405.

It is an arithmetic number, because the mean of its divisors is an integer number (1573426125).

Almost surely, 2^20122004424 is an apocalyptic number.

20122004424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20122004424 is an abundant number, since it is smaller than the sum of its proper divisors (30227631576).

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

20122004424 is a wasteful number, since it uses less digits than its factorization.

20122004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743757 (or 743753 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20122004424 its reverse (42440022102), we get a palindrome (62562026526).

The spelling of 20122004424 in words is "twenty billion, one hundred twenty-two million, four thousand, four hundred twenty-four".