20552144054 has 16 divisors (see below), whose sum is σ = 33304361328. Its totient is φ = 9455678112.

The previous prime is 20552144051. The next prime is 20552144071. The reversal of 20552144054 is 45044125502.

It is a self number, because there is not a number n which added to its sum of digits gives 20552144054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552144051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238552 + ... + 1255035.

It is an arithmetic number, because the mean of its divisors is an integer number (2081522583).

Almost surely, 2^20552144054 is an apocalyptic number.

20552144054 is a deficient number, since it is larger than the sum of its proper divisors (12752217274).

20552144054 is a wasteful number, since it uses less digits than its factorization.

20552144054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493919.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 20552144054 its reverse (45044125502), we get a palindrome (65596269556).

The spelling of 20552144054 in words is "twenty billion, five hundred fifty-two million, one hundred forty-four thousand, fifty-four".