20464616351 has 8 divisors (see below), whose sum is σ = 20562465840. Its totient is φ = 20366957952.

The previous prime is 20464616339. The next prime is 20464616353. The reversal of 20464616351 is 15361646402.

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

It is a cyclic number.

It is not a de Polignac number, because 20464616351 - 2³⁰ = 19390874527 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 (20464616353) 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, 169271 + ... + 263783.

It is an arithmetic number, because the mean of its divisors is an integer number (2570308230).

Almost surely, 2^20464616351 is an apocalyptic number.

20464616351 is a deficient number, since it is larger than the sum of its proper divisors (97849489).

20464616351 is an equidigital number, since it uses as much as digits as its factorization.

20464616351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95545.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 20464616351 in words is "twenty billion, four hundred sixty-four million, six hundred sixteen thousand, three hundred fifty-one".