20212343300 has 18 divisors (see below), whose sum is σ = 43860785178. Its totient is φ = 8084937280.

The previous prime is 20212343293. The next prime is 20212343323. The reversal of 20212343300 is 334321202.

It can be written as a sum of positive squares in 3 ways, for example, as 4621824256 + 15590519044 = 67984^2 + 124862^2 .

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

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 101061617 + ... + 101061816.

Almost surely, 2^20212343300 is an apocalyptic number.

20212343300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212343300 is an abundant number, since it is smaller than the sum of its proper divisors (23648441878).

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

20212343300 is a wasteful number, since it uses less digits than its factorization.

20212343300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202123447 (or 202123440 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20212343300 its reverse (334321202), we get a palindrome (20546664502).

The spelling of 20212343300 in words is "twenty billion, two hundred twelve million, three hundred forty-three thousand, three hundred".