20340042133024 has 24 divisors (see below), whose sum is σ = 40052802585600. Its totient is φ = 10167901793856.

The previous prime is 20340042133007. The next prime is 20340042133063. The reversal of 20340042133024 is 42033124004302.

It is a super-2 number, since 2×20340042133024² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20340042132983 and 20340042133001.

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, 66071304 + ... + 66378439.

It is an arithmetic number, because the mean of its divisors is an integer number (1668866774400).

Almost surely, 2^{20340042133024} is an apocalyptic number.

It is an amenable number.

20340042133024 is a deficient number, since it is larger than the sum of its proper divisors (19712760452576).

20340042133024 is a wasteful number, since it uses less digits than its factorization.

20340042133024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132454552 (or 132454544 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20340042133024 its reverse (42033124004302), we get a palindrome (62373166137326).

The spelling of 20340042133024 in words is "twenty trillion, three hundred forty billion, forty-two million, one hundred thirty-three thousand, twenty-four".