20320121023033 has 32 divisors (see below), whose sum is σ = 23270738430240. Its totient is φ = 17577353134080.

The previous prime is 20320121023021. The next prime is 20320121023117. The reversal of 20320121023033 is 33032012102302.

It can be written as a sum of positive squares in 16 ways, for example, as 16542742194729 + 3777378828304 = 4067277^2 + 1943548^2 .

It is a cyclic number.

It is not a de Polignac number, because 20320121023033 - 2¹³ = 20320121014841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20320121022995 and 20320121023013.

It is not an unprimeable number, because it can be changed into a prime (20320121093033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98403853 + ... + 98610133.

It is an arithmetic number, because the mean of its divisors is an integer number (727210575945).

Almost surely, 2^{20320121023033} is an apocalyptic number.

It is an amenable number.

20320121023033 is a deficient number, since it is larger than the sum of its proper divisors (2950617407207).

20320121023033 is a wasteful number, since it uses less digits than its factorization.

20320121023033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208237.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20320121023033 its reverse (33032012102302), we get a palindrome (53352133125335).

The spelling of 20320121023033 in words is "twenty trillion, three hundred twenty billion, one hundred twenty-one million, twenty-three thousand, thirty-three".