20222311121300 has 72 divisors (see below), whose sum is σ = 44144059625400. Its totient is φ = 8040760197120.

The previous prime is 20222311121281. The next prime is 20222311121303. The reversal of 20222311121300 is 312111322202.

It can be written as a sum of positive squares in 12 ways, for example, as 10048367447056 + 10173943674244 = 3169916^2 + 3189662^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222311121303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24471266 + ... + 25284134.

Almost surely, 2^{20222311121300} is an apocalyptic number.

20222311121300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222311121300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22072029812700).

20222311121300 is an abundant number, since it is smaller than the sum of its proper divisors (23921748504100).

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

20222311121300 is a wasteful number, since it uses less digits than its factorization.

20222311121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814365 (or 814358 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20222311121300 its reverse (312111322202), we get a palindrome (20534422443502).

The spelling of 20222311121300 in words is "twenty trillion, two hundred twenty-two billion, three hundred eleven million, one hundred twenty-one thousand, three hundred".