20303032133333 has 4 divisors (see below), whose sum is σ = 20303343695040. Its totient is φ = 20302720571628.

The previous prime is 20303032133291. The next prime is 20303032133339. The reversal of 20303032133333 is 33333123030302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20303032133333 is a prime.

It is a super-2 number, since 2×20303032133333² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20303032133296 and 20303032133305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303032133339) 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, 155683085 + ... + 155813442.

It is an arithmetic number, because the mean of its divisors is an integer number (5075835923760).

Almost surely, 2^{20303032133333} is an apocalyptic number.

It is an amenable number.

20303032133333 is a deficient number, since it is larger than the sum of its proper divisors (311561707).

20303032133333 is an equidigital number, since it uses as much as digits as its factorization.

20303032133333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311561706.

The product of its (nonzero) digits is 26244, while the sum is 29.

Adding to 20303032133333 its reverse (33333123030302), we get a palindrome (53636155163635).

The spelling of 20303032133333 in words is "twenty trillion, three hundred three billion, thirty-two million, one hundred thirty-three thousand, three hundred thirty-three".