20202201209 has 8 divisors (see below), whose sum is σ = 21438859680. Its totient is φ = 18970908736.

The previous prime is 20202201163. The next prime is 20202201223. The reversal of 20202201209 is 90210220202.

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

It is not a de Polignac number, because 20202201209 - 2³² = 15907233913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202201109) 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, 1333739 + ... + 1348800.

It is an arithmetic number, because the mean of its divisors is an integer number (2679857460).

Almost surely, 2^20202201209 is an apocalyptic number.

It is an amenable number.

20202201209 is a deficient number, since it is larger than the sum of its proper divisors (1236658471).

20202201209 is a wasteful number, since it uses less digits than its factorization.

20202201209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682999.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 20202201209 in words is "twenty billion, two hundred two million, two hundred one thousand, two hundred nine".