20503134003054 has 32 divisors (see below), whose sum is σ = 44342197203456. Its totient is φ = 6295497130880.

The previous prime is 20503134003017. The next prime is 20503134003151. The reversal of 20503134003054 is 45030043130502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2138411352 + ... + 2138420939.

It is an arithmetic number, because the mean of its divisors is an integer number (1385693662608).

Almost surely, 2^{20503134003054} is an apocalyptic number.

20503134003054 is an abundant number, since it is smaller than the sum of its proper divisors (23839063200402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20503134003054 is a wasteful number, since it uses less digits than its factorization.

20503134003054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276832360.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 20503134003054 its reverse (45030043130502), we get a palindrome (65533177133556).

The spelling of 20503134003054 in words is "twenty trillion, five hundred three billion, one hundred thirty-four million, three thousand, fifty-four".