20321321011033 has 48 divisors (see below), whose sum is σ = 25363728149760. Its totient is φ = 15927802934400.

The previous prime is 20321321011031. The next prime is 20321321011129. The reversal of 20321321011033 is 33011012312302.

It is not a de Polignac number, because 20321321011033 - 2¹ = 20321321011031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20321321010995 and 20321321011013.

It is not an unprimeable number, because it can be changed into a prime (20321321011031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259455948 + ... + 259534258.

It is an arithmetic number, because the mean of its divisors is an integer number (528411003120).

Almost surely, 2^{20321321011033} is an apocalyptic number.

It is an amenable number.

20321321011033 is a deficient number, since it is larger than the sum of its proper divisors (5042407138727).

20321321011033 is a wasteful number, since it uses less digits than its factorization.

20321321011033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81926 (or 81907 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20321321011033 its reverse (33011012312302), we get a palindrome (53332333323335).

The spelling of 20321321011033 in words is "twenty trillion, three hundred twenty-one billion, three hundred twenty-one million, eleven thousand, thirty-three".