20554252303 has 8 divisors (see below), whose sum is σ = 22172684688. Its totient is φ = 18941153664.

The previous prime is 20554252267. The next prime is 20554252351. The reversal of 20554252303 is 30325245502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20554252303 - 2³³ = 11964317711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20554252403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325425 + ... + 1340842.

It is an arithmetic number, because the mean of its divisors is an integer number (2771585586).

Almost surely, 2^20554252303 is an apocalyptic number.

20554252303 is a deficient number, since it is larger than the sum of its proper divisors (1618432385).

20554252303 is a wasteful number, since it uses less digits than its factorization.

20554252303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666873.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 20554252303 its reverse (30325245502), we get a palindrome (50879497805).

The spelling of 20554252303 in words is "twenty billion, five hundred fifty-four million, two hundred fifty-two thousand, three hundred three".