20330030321309 has 16 divisors (see below), whose sum is σ = 21269357784000. Its totient is φ = 19406630221440.

The previous prime is 20330030321297. The next prime is 20330030321327. The reversal of 20330030321309 is 90312303003302.

It is not a de Polignac number, because 20330030321309 - 2²⁰ = 20330029272733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330030321399) 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, 27664394 + ... + 28389764.

It is an arithmetic number, because the mean of its divisors is an integer number (1329334861500).

Almost surely, 2^{20330030321309} is an apocalyptic number.

20330030321309 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20330030321309 is a deficient number, since it is larger than the sum of its proper divisors (939327462691).

20330030321309 is a wasteful number, since it uses less digits than its factorization.

20330030321309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736348.

The product of its (nonzero) digits is 8748, while the sum is 29.

The spelling of 20330030321309 in words is "twenty trillion, three hundred thirty billion, thirty million, three hundred twenty-one thousand, three hundred nine".