20230331302009 has 16 divisors (see below), whose sum is σ = 20626539563520. Its totient is φ = 19838065104000.

The previous prime is 20230331301997. The next prime is 20230331302043. The reversal of 20230331302009 is 90020313303202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20230331302009 - 2⁷ = 20230331301881 is a prime.

It is a super-2 number, since 2×20230331302009² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20230331302309) 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, 18364024 + ... + 19434454.

It is an arithmetic number, because the mean of its divisors is an integer number (1289158722720).

Almost surely, 2^{20230331302009} is an apocalyptic number.

It is an amenable number.

20230331302009 is a deficient number, since it is larger than the sum of its proper divisors (396208261511).

20230331302009 is a wasteful number, since it uses less digits than its factorization.

20230331302009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072272.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 20230331302009 in words is "twenty trillion, two hundred thirty billion, three hundred thirty-one million, three hundred two thousand, nine".