20201210219 has 8 divisors (see below), whose sum is σ = 20322252720. Its totient is φ = 20080336896.

The previous prime is 20201210213. The next prime is 20201210261. The reversal of 20201210219 is 91201210202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201210219 is a prime.

It is a super-2 number, since 2×20201210219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201210219.

It is not an unprimeable number, because it can be changed into a prime (20201210213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201419 + ... + 284555.

It is an arithmetic number, because the mean of its divisors is an integer number (2540281590).

Almost surely, 2^20201210219 is an apocalyptic number.

20201210219 is a deficient number, since it is larger than the sum of its proper divisors (121042501).

20201210219 is a wasteful number, since it uses less digits than its factorization.

20201210219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84589.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 20201210219 in words is "twenty billion, two hundred one million, two hundred ten thousand, two hundred nineteen".