20300550303 has 72 divisors (see below), whose sum is σ = 31095936256. Its totient is φ = 11765033280.

The previous prime is 20300550301. The next prime is 20300550311. The reversal of 20300550303 is 30305500302.

It is not a de Polignac number, because 20300550303 - 2¹ = 20300550301 is a prime.

It is a super-2 number, since 2×20300550303² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20300550303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300550301) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 43845450 + ... + 43845912.

Almost surely, 2^20300550303 is an apocalyptic number.

20300550303 is a deficient number, since it is larger than the sum of its proper divisors (10795385953).

20300550303 is a wasteful number, since it uses less digits than its factorization.

20300550303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 21.

The spelling of 20300550303 in words is "twenty billion, three hundred million, five hundred fifty thousand, three hundred three".