20216097853 has 16 divisors (see below), whose sum is σ = 23303540736. Its totient is φ = 17179130880.

The previous prime is 20216097823. The next prime is 20216097857. The reversal of 20216097853 is 35879061202.

It is a cyclic number.

It is not a de Polignac number, because 20216097853 - 2⁵ = 20216097821 is a prime.

It is a super-2 number, since 2×20216097853² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20216097857) 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 15 ways as a sum of consecutive naturals, for example, 370308 + ... + 421378.

It is an arithmetic number, because the mean of its divisors is an integer number (1456471296).

Almost surely, 2^20216097853 is an apocalyptic number.

It is an amenable number.

20216097853 is a deficient number, since it is larger than the sum of its proper divisors (3087442883).

20216097853 is a wasteful number, since it uses less digits than its factorization.

20216097853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51564.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 20216097853 in words is "twenty billion, two hundred sixteen million, ninety-seven thousand, eight hundred fifty-three".