20211233313320 has 32 divisors (see below), whose sum is σ = 51971742806400. Its totient is φ = 6929565707328.

The previous prime is 20211233313311. The next prime is 20211233313379. The reversal of 20211233313320 is 2331333211202.

It is a super-2 number, since 2×20211233313320² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20211233313320.

It is an unprimeable number.

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, 36091487780 + ... + 36091488339.

It is an arithmetic number, because the mean of its divisors is an integer number (1624116962700).

Almost surely, 2^{20211233313320} is an apocalyptic number.

20211233313320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211233313320 is an abundant number, since it is smaller than the sum of its proper divisors (31760509493080).

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

20211233313320 is a wasteful number, since it uses less digits than its factorization.

20211233313320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72182976137 (or 72182976133 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20211233313320 its reverse (2331333211202), we get a palindrome (22542566524522).

The spelling of 20211233313320 in words is "twenty trillion, two hundred eleven billion, two hundred thirty-three million, three hundred thirteen thousand, three hundred twenty".