20113121014424 has 64 divisors (see below), whose sum is σ = 39317566337280. Its totient is φ = 9634936320000.

The previous prime is 20113121014387. The next prime is 20113121014457. The reversal of 20113121014424 is 42441012131102.

It is a junction number, because it is equal to n+sod(n) for n = 20113121014393 and 20113121014402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347461964 + ... + 347519844.

It is an arithmetic number, because the mean of its divisors is an integer number (614336974020).

Almost surely, 2^{20113121014424} is an apocalyptic number.

It is an amenable number.

20113121014424 is a deficient number, since it is larger than the sum of its proper divisors (19204445322856).

20113121014424 is a wasteful number, since it uses less digits than its factorization.

20113121014424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71892 (or 71888 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 20113121014424 its reverse (42441012131102), we get a palindrome (62554133145526).

The spelling of 20113121014424 in words is "twenty trillion, one hundred thirteen billion, one hundred twenty-one million, fourteen thousand, four hundred twenty-four".