20022011009 has 32 divisors (see below), whose sum is σ = 27507938304. Its totient is φ = 14066498880.

The previous prime is 20022010997. The next prime is 20022011027. The reversal of 20022011009 is 90011022002.

It is not a de Polignac number, because 20022011009 - 2⁴ = 20022010993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022011099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189539 + ... + 275624.

It is an arithmetic number, because the mean of its divisors is an integer number (859623072).

Almost surely, 2^20022011009 is an apocalyptic number.

It is an amenable number.

20022011009 is a deficient number, since it is larger than the sum of its proper divisors (7485927295).

20022011009 is a wasteful number, since it uses less digits than its factorization.

20022011009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465237.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 20022011009 in words is "twenty billion, twenty-two million, eleven thousand, nine".