20212213100320 has 24 divisors (see below), whose sum is σ = 47751353449884. Its totient is φ = 8084885240064.

The previous prime is 20212213100273. The next prime is 20212213100423. The reversal of 20212213100320 is 2300131221202.

It can be written as a sum of positive squares in 2 ways, for example, as 17010246425104 + 3201966675216 = 4124348^2 + 1789404^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63163165779 + ... + 63163166098.

Almost surely, 2^{20212213100320} is an apocalyptic number.

20212213100320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212213100320 is an abundant number, since it is smaller than the sum of its proper divisors (27539140349564).

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

20212213100320 is a wasteful number, since it uses less digits than its factorization.

20212213100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126326331892 (or 126326331884 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20212213100320 its reverse (2300131221202), we get a palindrome (22512344321522).

The spelling of 20212213100320 in words is "twenty trillion, two hundred twelve billion, two hundred thirteen million, one hundred thousand, three hundred twenty".