20040121034033 has 16 divisors (see below), whose sum is σ = 20288174167296. Its totient is φ = 19793416715520.

The previous prime is 20040121034027. The next prime is 20040121034119. The reversal of 20040121034033 is 33043012104002.

It is a cyclic number.

It is not a de Polignac number, because 20040121034033 - 2¹⁸ = 20040120771889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20040121034333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41302466 + ... + 41784852.

It is an arithmetic number, because the mean of its divisors is an integer number (1268010885456).

Almost surely, 2^{20040121034033} is an apocalyptic number.

It is an amenable number.

20040121034033 is a deficient number, since it is larger than the sum of its proper divisors (248053133263).

20040121034033 is a wasteful number, since it uses less digits than its factorization.

20040121034033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483784.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20040121034033 its reverse (33043012104002), we get a palindrome (53083133138035).

The spelling of 20040121034033 in words is "twenty trillion, forty billion, one hundred twenty-one million, thirty-four thousand, thirty-three".