20430302011 has 24 divisors (see below), whose sum is σ = 24102792000. Its totient is φ = 17264317392.

The previous prime is 20430301999. The next prime is 20430302021. The reversal of 20430302011 is 11020303402.

It is a happy number.

It is not a de Polignac number, because 20430302011 - 2¹¹ = 20430299963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20430302021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2024400 + ... + 2034466.

It is an arithmetic number, because the mean of its divisors is an integer number (1004283000).

Almost surely, 2^20430302011 is an apocalyptic number.

20430302011 is a deficient number, since it is larger than the sum of its proper divisors (3672489989).

20430302011 is a wasteful number, since it uses less digits than its factorization.

20430302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663 (or 10656 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20430302011 its reverse (11020303402), we get a palindrome (31450605413).

The spelling of 20430302011 in words is "twenty billion, four hundred thirty million, three hundred two thousand, eleven".