20041530354256 has 20 divisors (see below), whose sum is σ = 38830553119072. Its totient is φ = 10020742452576.

The previous prime is 20041530354247. The next prime is 20041530354259. The reversal of 20041530354256 is 65245303514002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041530354259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7586455 + ... + 9881161.

Almost surely, 2^{20041530354256} is an apocalyptic number.

It is an amenable number.

20041530354256 is a deficient number, since it is larger than the sum of its proper divisors (18789022764816).

20041530354256 is a wasteful number, since it uses less digits than its factorization.

20041530354256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840578 (or 2840572 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 20041530354256 its reverse (65245303514002), we get a palindrome (85286833868258).

The spelling of 20041530354256 in words is "twenty trillion, forty-one billion, five hundred thirty million, three hundred fifty-four thousand, two hundred fifty-six".