20552200303 has 4 divisors (see below), whose sum is σ = 21761153280. Its totient is φ = 19343247328.

The previous prime is 20552200297. The next prime is 20552200349. The reversal of 20552200303 is 30300225502.

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

It is a cyclic number.

It is not a de Polignac number, because 20552200303 - 2¹⁷ = 20552069231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552200393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604476463 + ... + 604476496.

It is an arithmetic number, because the mean of its divisors is an integer number (5440288320).

Almost surely, 2^20552200303 is an apocalyptic number.

20552200303 is a deficient number, since it is larger than the sum of its proper divisors (1208952977).

20552200303 is a wasteful number, since it uses less digits than its factorization.

20552200303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208952976.

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 20552200303 its reverse (30300225502), we get a palindrome (50852425805).

The spelling of 20552200303 in words is "twenty billion, five hundred fifty-two million, two hundred thousand, three hundred three".