20020240030321 has 16 divisors (see below), whose sum is σ = 20181583618560. Its totient is φ = 19859466781440.

The previous prime is 20020240030313. The next prime is 20020240030361. The reversal of 20020240030321 is 12303004202002.

It is a cyclic number.

It is not a de Polignac number, because 20020240030321 - 2³ = 20020240030313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020240030361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822613465 + ... + 822637801.

It is an arithmetic number, because the mean of its divisors is an integer number (1261348976160).

Almost surely, 2^{20020240030321} is an apocalyptic number.

It is an amenable number.

20020240030321 is a deficient number, since it is larger than the sum of its proper divisors (161343588239).

20020240030321 is a wasteful number, since it uses less digits than its factorization.

20020240030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35784.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20020240030321 its reverse (12303004202002), we get a palindrome (32323244232323).

The spelling of 20020240030321 in words is "twenty trillion, twenty billion, two hundred forty million, thirty thousand, three hundred twenty-one".