20353111320 has 32 divisors (see below), whose sum is σ = 61059334320. Its totient is φ = 5427496320.

The previous prime is 20353111319. The next prime is 20353111321. The reversal of 20353111320 is 2311135302.

It is an interprime number because it is at equal distance from previous prime (20353111319) and next prime (20353111321).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20353111321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84804511 + ... + 84804750.

Almost surely, 2^20353111320 is an apocalyptic number.

20353111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20353111320 is an abundant number, since it is smaller than the sum of its proper divisors (40706223000).

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

20353111320 is a wasteful number, since it uses less digits than its factorization.

20353111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169609275 (or 169609271 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 20353111320 its reverse (2311135302), we get a palindrome (22664246622).

The spelling of 20353111320 in words is "twenty billion, three hundred fifty-three million, one hundred eleven thousand, three hundred twenty".