20463302351 has 4 divisors (see below), whose sum is σ = 20544829704. Its totient is φ = 20381775000.

The previous prime is 20463302333. The next prime is 20463302357. The reversal of 20463302351 is 15320336402.

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 20463302351 - 2⁶ = 20463302287 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 (20463302357) 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, 40763300 + ... + 40763801.

It is an arithmetic number, because the mean of its divisors is an integer number (5136207426).

Almost surely, 2^20463302351 is an apocalyptic number.

20463302351 is a deficient number, since it is larger than the sum of its proper divisors (81527353).

20463302351 is an equidigital number, since it uses as much as digits as its factorization.

20463302351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81527352.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20463302351 its reverse (15320336402), we get a palindrome (35783638753).

The spelling of 20463302351 in words is "twenty billion, four hundred sixty-three million, three hundred two thousand, three hundred fifty-one".