20543025034034 has 32 divisors (see below), whose sum is σ = 32258907507456. Its totient is φ = 9801332740480.

The previous prime is 20543025034033. The next prime is 20543025034057. The reversal of 20543025034034 is 43043052034502.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20543025033985 and 20543025034003.

It is not an unprimeable number, because it can be changed into a prime (20543025034033) 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, 4119704 + ... + 7619580.

It is an arithmetic number, because the mean of its divisors is an integer number (1008090859608).

Almost surely, 2^{20543025034034} is an apocalyptic number.

20543025034034 is a deficient number, since it is larger than the sum of its proper divisors (11715882473422).

20543025034034 is a wasteful number, since it uses less digits than its factorization.

20543025034034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501490.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 20543025034034 its reverse (43043052034502), we get a palindrome (63586077068536).

The spelling of 20543025034034 in words is "twenty trillion, five hundred forty-three billion, twenty-five million, thirty-four thousand, thirty-four".