20212200999 has 16 divisors (see below), whose sum is σ = 30508984800. Its totient is φ = 13220558208.

The previous prime is 20212200959. The next prime is 20212201001. The reversal of 20212200999 is 99900221202.

It is not a de Polignac number, because 20212200999 - 2⁹ = 20212200487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212200929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7060834 + ... + 7063695.

It is an arithmetic number, because the mean of its divisors is an integer number (1906811550).

Almost surely, 2^20212200999 is an apocalyptic number.

20212200999 is a deficient number, since it is larger than the sum of its proper divisors (10296783801).

20212200999 is a wasteful number, since it uses less digits than its factorization.

20212200999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14124591 (or 14124585 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 20212200999 in words is "twenty billion, two hundred twelve million, two hundred thousand, nine hundred ninety-nine".