20200323309 has 8 divisors (see below), whose sum is σ = 28351331040. Its totient is φ = 12758098896.

The previous prime is 20200323293. The next prime is 20200323337. The reversal of 20200323309 is 90332300202.

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

It is not a de Polignac number, because 20200323309 - 2⁴ = 20200323293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200323349) 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, 177195762 + ... + 177195875.

It is an arithmetic number, because the mean of its divisors is an integer number (3543916380).

Almost surely, 2^20200323309 is an apocalyptic number.

It is an amenable number.

20200323309 is a deficient number, since it is larger than the sum of its proper divisors (8151007731).

20200323309 is a wasteful number, since it uses less digits than its factorization.

20200323309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354391659.

The product of its (nonzero) digits is 1944, while the sum is 24.

The spelling of 20200323309 in words is "twenty billion, two hundred million, three hundred twenty-three thousand, three hundred nine".