20550334203 has 32 divisors (see below), whose sum is σ = 36625497600. Its totient is φ = 11124991008.

The previous prime is 20550334163. The next prime is 20550334249. The reversal of 20550334203 is 30243305502.

20550334203 is a `hidden beast` number, since 205 + 5 + 0 + 33 + 420 + 3 = 666.

It is not a de Polignac number, because 20550334203 - 2⁶ = 20550334139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20550334283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2857776 + ... + 2864957.

It is an arithmetic number, because the mean of its divisors is an integer number (1144546800).

Almost surely, 2^20550334203 is an apocalyptic number.

20550334203 is a deficient number, since it is larger than the sum of its proper divisors (16075163397).

20550334203 is a wasteful number, since it uses less digits than its factorization.

20550334203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722768 (or 5722762 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

Adding to 20550334203 its reverse (30243305502), we get a palindrome (50793639705).

The spelling of 20550334203 in words is "twenty billion, five hundred fifty million, three hundred thirty-four thousand, two hundred three".