120020221009 has 8 divisors (see below), whose sum is σ = 132745858280. Its totient is φ = 107793628416.

The previous prime is 120020220941. The next prime is 120020221031. The reversal of 120020221009 is 900122020021.

It can be written as a sum of positive squares in 4 ways, for example, as 5343171409 + 114677049600 = 73097^2 + 338640^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120020221009 - 2²¹ = 120018123857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120023221009) 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, 124760664 + ... + 124761625.

It is an arithmetic number, because the mean of its divisors is an integer number (16593232285).

Almost surely, 2^120020221009 is an apocalyptic number.

It is an amenable number.

120020221009 is a deficient number, since it is larger than the sum of its proper divisors (12725637271).

120020221009 is a wasteful number, since it uses less digits than its factorization.

120020221009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249522339.

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

The spelling of 120020221009 in words is "one hundred twenty billion, twenty million, two hundred twenty-one thousand, nine".