20011233303 has 10 divisors (see below), whose sum is σ = 29893323944. Its totient is φ = 13340822148.

The previous prime is 20011233293. The next prime is 20011233313. The reversal of 20011233303 is 30333211002.

It is an interprime number because it is at equal distance from previous prime (20011233293) and next prime (20011233313).

It is not a de Polignac number, because 20011233303 - 2¹² = 20011229207 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 (20011233313) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123526051 + ... + 123526212.

Almost surely, 2^20011233303 is an apocalyptic number.

20011233303 is a deficient number, since it is larger than the sum of its proper divisors (9882090641).

20011233303 is an equidigital number, since it uses as much as digits as its factorization.

20011233303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247052275 (or 247052266 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20011233303 its reverse (30333211002), we get a palindrome (50344444305).

The spelling of 20011233303 in words is "twenty billion, eleven million, two hundred thirty-three thousand, three hundred three".