20550014054 has 4 divisors (see below), whose sum is σ = 30825021084. Its totient is φ = 10275007026.

The previous prime is 20550014047. The next prime is 20550014059. The reversal of 20550014054 is 45041005502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550014059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5137503512 + ... + 5137503515.

It is an arithmetic number, because the mean of its divisors is an integer number (7706255271).

Almost surely, 2^20550014054 is an apocalyptic number.

20550014054 is a deficient number, since it is larger than the sum of its proper divisors (10275007030).

20550014054 is a wasteful number, since it uses less digits than its factorization.

20550014054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275007029.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 20550014054 its reverse (45041005502), we get a palindrome (65591019556).

The spelling of 20550014054 in words is "twenty billion, five hundred fifty million, fourteen thousand, fifty-four".