20050430307 has 8 divisors (see below), whose sum is σ = 26819869440. Its totient is φ = 13323972360.

The previous prime is 20050430287. The next prime is 20050430327. The reversal of 20050430307 is 70303405002.

It is an interprime number because it is at equal distance from previous prime (20050430287) and next prime (20050430327).

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

It is not a de Polignac number, because 20050430307 - 2⁶ = 20050430243 is a prime.

It is a super-3 number, since 3×20050430307³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20050430327) 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, 10744207 + ... + 10746072.

It is an arithmetic number, because the mean of its divisors is an integer number (3352483680).

Almost surely, 2^20050430307 is an apocalyptic number.

20050430307 is a deficient number, since it is larger than the sum of its proper divisors (6769439133).

20050430307 is a wasteful number, since it uses less digits than its factorization.

20050430307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21490593.

The product of its (nonzero) digits is 2520, while the sum is 24.

Adding to 20050430307 its reverse (70303405002), we get a palindrome (90353835309).

The spelling of 20050430307 in words is "twenty billion, fifty million, four hundred thirty thousand, three hundred seven".