20123440114040 has 16 divisors (see below), whose sum is σ = 45277740256680. Its totient is φ = 8049376045600.

The previous prime is 20123440114031. The next prime is 20123440114081. The reversal of 20123440114040 is 4041104432102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251543001386 + ... + 251543001465.

Almost surely, 2^{20123440114040} is an apocalyptic number.

20123440114040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123440114040 is an abundant number, since it is smaller than the sum of its proper divisors (25154300142640).

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

20123440114040 is a wasteful number, since it uses less digits than its factorization.

20123440114040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503086002862 (or 503086002858 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20123440114040 its reverse (4041104432102), we get a palindrome (24164544546142).

The spelling of 20123440114040 in words is "twenty trillion, one hundred twenty-three billion, four hundred forty million, one hundred fourteen thousand, forty".