20216334351 has 8 divisors (see below), whose sum is σ = 27324360880. Its totient is φ = 13292932032.

The previous prime is 20216334293. The next prime is 20216334371. The reversal of 20216334351 is 15343361202.

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

It is not a de Polignac number, because 20216334351 - 2⁷ = 20216334223 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 (20216334371) 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, 46155796 + ... + 46156233.

It is an arithmetic number, because the mean of its divisors is an integer number (3415545110).

Almost surely, 2^20216334351 is an apocalyptic number.

20216334351 is a deficient number, since it is larger than the sum of its proper divisors (7108026529).

20216334351 is an equidigital number, since it uses as much as digits as its factorization.

20216334351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92312105.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 20216334351 its reverse (15343361202), we get a palindrome (35559695553).

The spelling of 20216334351 in words is "twenty billion, two hundred sixteen million, three hundred thirty-four thousand, three hundred fifty-one".