20305130154 has 8 divisors (see below), whose sum is σ = 40610260320. Its totient is φ = 6768376716.

The previous prime is 20305130141. The next prime is 20305130161. The reversal of 20305130154 is 45103150302.

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

20305130154 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692094174 + ... + 1692094185.

It is an arithmetic number, because the mean of its divisors is an integer number (5076282540).

Almost surely, 2^20305130154 is an apocalyptic number.

20305130154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20305130154 is a wasteful number, since it uses less digits than its factorization.

20305130154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384188364.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 20305130154 its reverse (45103150302), we get a palindrome (65408280456).

The spelling of 20305130154 in words is "twenty billion, three hundred five million, one hundred thirty thousand, one hundred fifty-four".