210220201009 has 64 divisors (see below), whose sum is σ = 275904921600. Its totient is φ = 155432567808.

The previous prime is 210220201003. The next prime is 210220201019. The reversal of 210220201009 is 900102022012.

It is not a de Polignac number, because 210220201009 - 2³ = 210220201001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210220201001) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 177101514 + ... + 177102700.

It is an arithmetic number, because the mean of its divisors is an integer number (4311014400).

Almost surely, 2^210220201009 is an apocalyptic number.

It is an amenable number.

210220201009 is a deficient number, since it is larger than the sum of its proper divisors (65684720591).

210220201009 is a wasteful number, since it uses less digits than its factorization.

210220201009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 210220201009 in words is "two hundred ten billion, two hundred twenty million, two hundred one thousand, nine".