20352916218 has 16 divisors (see below), whose sum is σ = 41079281760. Its totient is φ = 6722063856.

The previous prime is 20352916217. The next prime is 20352916253. The reversal of 20352916218 is 81261925302.

It is not an unprimeable number, because it can be changed into a prime (20352916217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15559680 + ... + 15560987.

It is an arithmetic number, because the mean of its divisors is an integer number (2567455110).

Almost surely, 2^20352916218 is an apocalyptic number.

20352916218 is an abundant number, since it is smaller than the sum of its proper divisors (20726365542).

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

20352916218 is a wasteful number, since it uses less digits than its factorization.

20352916218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31120781.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 20352916218 in words is "twenty billion, three hundred fifty-two million, nine hundred sixteen thousand, two hundred eighteen".