20233030209 has 16 divisors (see below), whose sum is σ = 30839733120. Its totient is φ = 11558563200.

The previous prime is 20233030193. The next prime is 20233030219. The reversal of 20233030209 is 90203033202.

It is not a de Polignac number, because 20233030209 - 2⁴ = 20233030193 is a prime.

It is a super-2 number, since 2×20233030209² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20233030219) 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, 52444 + ... + 207885.

It is an arithmetic number, because the mean of its divisors is an integer number (1927483320).

Almost surely, 2^20233030209 is an apocalyptic number.

It is an amenable number.

20233030209 is a deficient number, since it is larger than the sum of its proper divisors (10606702911).

20233030209 is a wasteful number, since it uses less digits than its factorization.

20233030209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264040.

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

The spelling of 20233030209 in words is "twenty billion, two hundred thirty-three million, thirty thousand, two hundred nine".