20312223335 has 16 divisors (see below), whose sum is σ = 25438504896. Its totient is φ = 15540780288.

The previous prime is 20312223331. The next prime is 20312223343. The reversal of 20312223335 is 53332221302.

It is a cyclic number.

It is not a de Polignac number, because 20312223335 - 2² = 20312223331 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312223331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064297 + ... + 1083213.

It is an arithmetic number, because the mean of its divisors is an integer number (1589906556).

Almost surely, 2^20312223335 is an apocalyptic number.

20312223335 is a deficient number, since it is larger than the sum of its proper divisors (5126281561).

20312223335 is a wasteful number, since it uses less digits than its factorization.

20312223335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28282.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20312223335 its reverse (53332221302), we get a palindrome (73644444637).

The spelling of 20312223335 in words is "twenty billion, three hundred twelve million, two hundred twenty-three thousand, three hundred thirty-five".