20320223030333 has 4 divisors (see below), whose sum is σ = 20521413357468. Its totient is φ = 20119032703200.

The previous prime is 20320223030329. The next prime is 20320223030339. The reversal of 20320223030333 is 33303032202302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13708521060004 + 6611701970329 = 3702502^2 + 2571323^2 .

It is a cyclic number.

It is not a de Polignac number, because 20320223030333 - 2² = 20320223030329 is a prime.

It is a super-2 number, since 2×20320223030333² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320223030339) 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, 100595163416 + ... + 100595163617.

It is an arithmetic number, because the mean of its divisors is an integer number (5130353339367).

Almost surely, 2^{20320223030333} is an apocalyptic number.

It is an amenable number.

20320223030333 is a deficient number, since it is larger than the sum of its proper divisors (201190327135).

20320223030333 is a wasteful number, since it uses less digits than its factorization.

20320223030333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201190327134.

The product of its (nonzero) digits is 11664, while the sum is 26.

Adding to 20320223030333 its reverse (33303032202302), we get a palindrome (53623255232635).

The spelling of 20320223030333 in words is "twenty trillion, three hundred twenty billion, two hundred twenty-three million, thirty thousand, three hundred thirty-three".