20420214204424 has 32 divisors (see below), whose sum is σ = 38299944070080. Its totient is φ = 10206896341824.

The previous prime is 20420214204413. The next prime is 20420214204443. The reversal of 20420214204424 is 42440241202402.

It is a super-2 number, since 2×20420214204424² (a number of 27 digits) contains 22 as substring.

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, 364703359 + ... + 364759345.

It is an arithmetic number, because the mean of its divisors is an integer number (1196873252190).

Almost surely, 2^{20420214204424} is an apocalyptic number.

It is an amenable number.

20420214204424 is a deficient number, since it is larger than the sum of its proper divisors (17879729865656).

20420214204424 is a wasteful number, since it uses less digits than its factorization.

20420214204424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69517 (or 69513 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 20420214204424 its reverse (42440241202402), we get a palindrome (62860455406826).

The spelling of 20420214204424 in words is "twenty trillion, four hundred twenty billion, two hundred fourteen million, two hundred four thousand, four hundred twenty-four".