20020123024011 has 12 divisors (see below), whose sum is σ = 31546860522840. Its totient is φ = 12133407893280.

The previous prime is 20020123024003. The next prime is 20020123024067. The reversal of 20020123024011 is 11042032102002.

It is a happy number.

20020123024011 is a `hidden beast` number, since 200 + 20 + 12 + 30 + 2 + 401 + 1 = 666.

It is not a de Polignac number, because 20020123024011 - 2³ = 20020123024003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020123024001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101111732346 + ... + 101111732543.

It is an arithmetic number, because the mean of its divisors is an integer number (2628905043570).

Almost surely, 2^{20020123024011} is an apocalyptic number.

20020123024011 is a deficient number, since it is larger than the sum of its proper divisors (11526737498829).

20020123024011 is a wasteful number, since it uses less digits than its factorization.

20020123024011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202223464906 (or 202223464903 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20020123024011 its reverse (11042032102002), we get a palindrome (31062155126013).

The spelling of 20020123024011 in words is "twenty trillion, twenty billion, one hundred twenty-three million, twenty-four thousand, eleven".