20555202533104 has 10 divisors (see below), whose sum is σ = 39825704907920. Its totient is φ = 10277601266544.

The previous prime is 20555202533053. The next prime is 20555202533161. The reversal of 20555202533104 is 40133520255502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642350079144 + ... + 642350079175.

It is an arithmetic number, because the mean of its divisors is an integer number (3982570490792).

Almost surely, 2^{20555202533104} is an apocalyptic number.

It is an amenable number.

20555202533104 is a deficient number, since it is larger than the sum of its proper divisors (19270502374816).

20555202533104 is a wasteful number, since it uses less digits than its factorization.

20555202533104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284700158327 (or 1284700158321 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 20555202533104 its reverse (40133520255502), we get a palindrome (60688722788606).

The spelling of 20555202533104 in words is "twenty trillion, five hundred fifty-five billion, two hundred two million, five hundred thirty-three thousand, one hundred four".