20103301033 has 4 divisors (see below), whose sum is σ = 20796518340. Its totient is φ = 19410083728.

The previous prime is 20103301013. The next prime is 20103301037. The reversal of 20103301033 is 33010330102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33010330102 = 2 ⋅16505165051.

It can be written as a sum of positive squares in 2 ways, for example, as 4570165609 + 15533135424 = 67603^2 + 124632^2 .

It is not a de Polignac number, because 20103301033 - 2³³ = 11513366441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20103300998 and 20103301016.

It is not an unprimeable number, because it can be changed into a prime (20103301037) 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, 346608610 + ... + 346608667.

It is an arithmetic number, because the mean of its divisors is an integer number (5199129585).

Almost surely, 2^20103301033 is an apocalyptic number.

It is an amenable number.

20103301033 is a deficient number, since it is larger than the sum of its proper divisors (693217307).

20103301033 is an equidigital number, since it uses as much as digits as its factorization.

20103301033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693217306.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20103301033 its reverse (33010330102), we get a palindrome (53113631135).

The spelling of 20103301033 in words is "twenty billion, one hundred three million, three hundred one thousand, thirty-three".