20212443000 has 128 divisors (see below), whose sum is σ = 70069896000. Its totient is φ = 5389977600.

The previous prime is 20212442983. The next prime is 20212443023. The reversal of 20212443000 is 34421202.

20212443000 is a `hidden beast` number, since 20 + 212 + 4 + 430 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 347305 + ... + 401304.

Almost surely, 2^20212443000 is an apocalyptic number.

20212443000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212443000 is an abundant number, since it is smaller than the sum of its proper divisors (49857453000).

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

20212443000 is a wasteful number, since it uses less digits than its factorization.

20212443000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748639 (or 748619 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20212443000 its reverse (34421202), we get a palindrome (20246864202).

The spelling of 20212443000 in words is "twenty billion, two hundred twelve million, four hundred forty-three thousand".