20302142009 has 8 divisors (see below), whose sum is σ = 20384363232. Its totient is φ = 20220085600.

The previous prime is 20302141997. The next prime is 20302142011. The reversal of 20302142009 is 90024120302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20302142009 - 2⁸ = 20302141753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302162009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208709 + ... + 290109.

It is an arithmetic number, because the mean of its divisors is an integer number (2548045404).

Almost surely, 2^20302142009 is an apocalyptic number.

It is an amenable number.

20302142009 is a deficient number, since it is larger than the sum of its proper divisors (82221223).

20302142009 is an equidigital number, since it uses as much as digits as its factorization.

20302142009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82407.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 20302142009 in words is "twenty billion, three hundred two million, one hundred forty-two thousand, nine".