20304151034351 has 4 divisors (see below), whose sum is σ = 20309637163704. Its totient is φ = 20298664905000.

The previous prime is 20304151034339. The next prime is 20304151034353. The reversal of 20304151034351 is 15343015140302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20304151034351 - 2⁶ = 20304151034287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304151034353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2743059125 + ... + 2743066526.

It is an arithmetic number, because the mean of its divisors is an integer number (5077409290926).

Almost surely, 2^{20304151034351} is an apocalyptic number.

20304151034351 is a deficient number, since it is larger than the sum of its proper divisors (5486129353).

20304151034351 is an equidigital number, since it uses as much as digits as its factorization.

20304151034351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486129352.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 20304151034351 its reverse (15343015140302), we get a palindrome (35647166174653).

The spelling of 20304151034351 in words is "twenty trillion, three hundred four billion, one hundred fifty-one million, thirty-four thousand, three hundred fifty-one".